Finding the Fourth Proportional to 82,943.60, 124,311.72 and 65,343.92

Step by Step Solution

1. Step 1: Write the proportion equation
   82,943.60 : 124,311.72 = 65,343.92 : x
2. Step 2: Convert to fraction form
   82,943.60/124,311.72 = 65,343.92/x
3. Step 3: Cross multiply
   82,943.60x = 124,311.72 × 65,343.92
4. Step 4: Simplify right side
   82,943.60x = 8,123,015,086.74
5. Step 5: Solve for x
   x = 8,123,015,086.74/82,943.60
6. Step 6: Final answer
   x = 97,934.20