Step 1:
The first step to converting 43540.219409062 to a fraction is to re-write 43540.219409062 in the form p/q where p and q are both positive integers. To start with, 43540.219409062 can be written as simply 43540.219409062/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 43540.219409062, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 43540.219409062/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 43540.219409062/1 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 43540.219409062 as a fraction:
174161/4 / 1