Step 1:
The first step to converting 1074.2890453628 to a fraction is to re-write 1074.2890453628 in the form p/q where p and q are both positive integers. To start with, 1074.2890453628 can be written as simply 1074.2890453628/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 1074.2890453628, which in this case is 10. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 1074.2890453628/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 1074.2890453628/1 each by 10000000000:
Step 3:
Now the last step is to simplify the fraction (if possible) by finding similar factors and cancelling them out, which leads to the following answer for 1074.2890453628 as a fraction:
40823/38 / 1