Finding the Fourth Proportional to 82,520.56, 113,880.18 and 50,256.69

Step by Step Solution

1. Step 1: Write the proportion equation
   82,520.56 : 113,880.18 = 50,256.69 : x
2. Step 2: Convert to fraction form
   82,520.56/113,880.18 = 50,256.69/x
3. Step 3: Cross multiply
   82,520.56x = 113,880.18 × 50,256.69
4. Step 4: Simplify right side
   82,520.56x = 5,723,240,652.12
5. Step 5: Solve for x
   x = 5,723,240,652.12/82,520.56
6. Step 6: Final answer
   x = 69,355.33