Step 1:
The first step to converting 173521.45865708 to a fraction is to re-write 173521.45865708 in the form p/q where p and q are both positive integers. To start with, 173521.45865708 can be written as simply 173521.45865708/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 173521.45865708, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 173521.45865708/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 173521.45865708/1 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 173521.45865708 as a fraction:
347043/2 / 1