Finding the Fourth Proportional to 117,073.67, 161,452.00 and 77,713.02

Step by Step Solution

1. Step 1: Write the proportion equation
   117,073.67 : 161,452.00 = 77,713.02 : x
2. Step 2: Convert to fraction form
   117,073.67/161,452.00 = 77,713.02/x
3. Step 3: Cross multiply
   117,073.67x = 161,452.00 × 77,713.02
4. Step 4: Simplify right side
   117,073.67x = 12,546,922,116.47
5. Step 5: Solve for x
   x = 12,546,922,116.47/117,073.67
6. Step 6: Final answer
   x = 107,171.17