Step 1:
The first step to converting 85692.72439567 to a fraction is to re-write 85692.72439567 in the form p/q where p and q are both positive integers. To start with, 85692.72439567 can be written as simply 85692.72439567/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 85692.72439567, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 85692.72439567/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 85692.72439567/1 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 85692.72439567 as a fraction:
257078/3 / 1