Step 1:
The first step to converting 86807.2458173 to a fraction is to re-write 86807.2458173 in the form p/q where p and q are both positive integers. To start with, 86807.2458173 can be written as simply 86807.2458173/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 86807.2458173, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 86807.2458173/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 86807.2458173/1 each by 10000000:
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 86807.2458173 as a fraction:
347229/4 / 1