Step 1:
The first step to converting 172184.40721277 to a fraction is to re-write 172184.40721277 in the form p/q where p and q are both positive integers. To start with, 172184.40721277 can be written as simply 172184.40721277/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 172184.40721277, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 172184.40721277/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 172184.40721277/1 each by 100000000:
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 172184.40721277 as a fraction:
344369/2 / 1