Finding the Fourth Proportional to 455,713.89, 683,148.24 and 156,123.27

Step by Step Solution

1. Step 1: Write the proportion equation
   455,713.89 : 683,148.24 = 156,123.27 : x
2. Step 2: Convert to fraction form
   455,713.89/683,148.24 = 156,123.27/x
3. Step 3: Cross multiply
   455,713.89x = 683,148.24 × 156,123.27
4. Step 4: Simplify right side
   455,713.89x = 106,655,337,123.55
5. Step 5: Solve for x
   x = 106,655,337,123.55/455,713.89
6. Step 6: Final answer
   x = 234,040.13