Finding the Fourth Proportional to 82,296.72, 113,618.42 and 52,107.92

Step by Step Solution

1. Step 1: Write the proportion equation
   82,296.72 : 113,618.42 = 52,107.92 : x
2. Step 2: Convert to fraction form
   82,296.72/113,618.42 = 52,107.92/x
3. Step 3: Cross multiply
   82,296.72x = 113,618.42 × 52,107.92
4. Step 4: Simplify right side
   82,296.72x = 5,920,419,332.73
5. Step 5: Solve for x
   x = 5,920,419,332.73/82,296.72
6. Step 6: Final answer
   x = 71,939.92