Finding the Fourth Proportional to 156,437.57, 234,552.69 and 56,584.61

Step by Step Solution

1. Step 1: Write the proportion equation
   156,437.57 : 234,552.69 = 56,584.61 : x
2. Step 2: Convert to fraction form
   156,437.57/234,552.69 = 56,584.61/x
3. Step 3: Cross multiply
   156,437.57x = 234,552.69 × 56,584.61
4. Step 4: Simplify right side
   156,437.57x = 13,272,072,488.10
5. Step 5: Solve for x
   x = 13,272,072,488.10/156,437.57
6. Step 6: Final answer
   x = 84,839.42