Step 1:
The first step to converting 4465.428513221 to a fraction is to re-write 4465.428513221 in the form p/q where p and q are both positive integers. To start with, 4465.428513221 can be written as simply 4465.428513221/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 4465.428513221, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 4465.428513221/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 4465.428513221/1 each by 1000000000:
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 4465.428513221 as a fraction:
31258/7 / 1