Finding the Fourth Proportional to 82,150.20, 113,359.50 and 50,313.96

Step by Step Solution

1. Step 1: Write the proportion equation
   82,150.20 : 113,359.50 = 50,313.96 : x
2. Step 2: Convert to fraction form
   82,150.20/113,359.50 = 50,313.96/x
3. Step 3: Cross multiply
   82,150.20x = 113,359.50 × 50,313.96
4. Step 4: Simplify right side
   82,150.20x = 5,703,565,348.62
5. Step 5: Solve for x
   x = 5,703,565,348.62/82,150.20
6. Step 6: Final answer
   x = 69,428.50