Finding the Fourth Proportional to 149,834.31, 224,760.12 and 56,340.87

Step by Step Solution

1. Step 1: Write the proportion equation
   149,834.31 : 224,760.12 = 56,340.87 : x
2. Step 2: Convert to fraction form
   149,834.31/224,760.12 = 56,340.87/x
3. Step 3: Cross multiply
   149,834.31x = 224,760.12 × 56,340.87
4. Step 4: Simplify right side
   149,834.31x = 12,663,180,702.10
5. Step 5: Solve for x
   x = 12,663,180,702.10/149,834.31
6. Step 6: Final answer
   x = 84,514.56