Finding the Fourth Proportional to 83,610.29, 115,294.25 and 64,493.17

Step by Step Solution

1. Step 1: Write the proportion equation
   83,610.29 : 115,294.25 = 64,493.17 : x
2. Step 2: Convert to fraction form
   83,610.29/115,294.25 = 64,493.17/x
3. Step 3: Cross multiply
   83,610.29x = 115,294.25 × 64,493.17
4. Step 4: Simplify right side
   83,610.29x = 7,435,691,538.27
5. Step 5: Solve for x
   x = 7,435,691,538.27/83,610.29
6. Step 6: Final answer
   x = 88,932.73