Finding the Fourth Proportional to 82,151.20, 113,360.88 and 50,314.96

Step by Step Solution

1. Step 1: Write the proportion equation
   82,151.20 : 113,360.88 = 50,314.96 : x
2. Step 2: Convert to fraction form
   82,151.20/113,360.88 = 50,314.96/x
3. Step 3: Cross multiply
   82,151.20x = 113,360.88 × 50,314.96
4. Step 4: Simplify right side
   82,151.20x = 5,703,748,142.76
5. Step 5: Solve for x
   x = 5,703,748,142.76/82,151.20
6. Step 6: Final answer
   x = 69,429.88