Finding the Fourth Proportional to 162,741.72, 224,557.38 and 91,124.76

Step by Step Solution

1. Step 1: Write the proportion equation
   162,741.72 : 224,557.38 = 91,124.76 : x
2. Step 2: Convert to fraction form
   162,741.72/224,557.38 = 91,124.76/x
3. Step 3: Cross multiply
   162,741.72x = 224,557.38 × 91,124.76
4. Step 4: Simplify right side
   162,741.72x = 20,462,737,358.73
5. Step 5: Solve for x
   x = 20,462,737,358.73/162,741.72
6. Step 6: Final answer
   x = 125,737.50