Finding the Fourth Proportional to 82,158.31, 113,275.74 and 68,565.90

Step by Step Solution

1. Step 1: Write the proportion equation
   82,158.31 : 113,275.74 = 68,565.90 : x
2. Step 2: Convert to fraction form
   82,158.31/113,275.74 = 68,565.90/x
3. Step 3: Cross multiply
   82,158.31x = 113,275.74 × 68,565.90
4. Step 4: Simplify right side
   82,158.31x = 7,766,853,061.27
5. Step 5: Solve for x
   x = 7,766,853,061.27/82,158.31
6. Step 6: Final answer
   x = 94,535.21