Finding the Fourth Proportional to 60,411.30, 83,333.97 and 56,134.86

Step by Step Solution

1. Step 1: Write the proportion equation
   60,411.30 : 83,333.97 = 56,134.86 : x
2. Step 2: Convert to fraction form
   60,411.30/83,333.97 = 56,134.86/x
3. Step 3: Cross multiply
   60,411.30x = 83,333.97 × 56,134.86
4. Step 4: Simplify right side
   60,411.30x = 4,677,940,739.19
5. Step 5: Solve for x
   x = 4,677,940,739.19/60,411.30
6. Step 6: Final answer
   x = 77,434.86