Finding the Fourth Proportional to 156,397.73, 215,827.82 and 88,414.61

Step by Step Solution

1. Step 1: Write the proportion equation
   156,397.73 : 215,827.82 = 88,414.61 : x
2. Step 2: Convert to fraction form
   156,397.73/215,827.82 = 88,414.61/x
3. Step 3: Cross multiply
   156,397.73x = 215,827.82 × 88,414.61
4. Step 4: Simplify right side
   156,397.73x = 19,082,331,549.39
5. Step 5: Solve for x
   x = 19,082,331,549.39/156,397.73
6. Step 6: Final answer
   x = 122,011.56