Step 1:
The first step to converting 19406.821867623 to a fraction is to re-write 19406.821867623 in the form p/q where p and q are both positive integers. To start with, 19406.821867623 can be written as simply 19406.821867623/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 19406.821867623, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 19406.821867623/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 19406.821867623/1 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 19406.821867623 as a fraction:
116441/6 / 1