Finding the Fourth Proportional to 381,372.72, 572,059.24 and 132,054.72

Step by Step Solution

1. Step 1: Write the proportion equation
   381,372.72 : 572,059.24 = 132,054.72 : x
2. Step 2: Convert to fraction form
   381,372.72/572,059.24 = 132,054.72/x
3. Step 3: Cross multiply
   381,372.72x = 572,059.24 × 132,054.72
4. Step 4: Simplify right side
   381,372.72x = 75,543,122,761.61
5. Step 5: Solve for x
   x = 75,543,122,761.61/381,372.72
6. Step 6: Final answer
   x = 198,082.14