Finding the Fourth Proportional to 634,082.32, 875,123.72 and 392,442.72

Step by Step Solution

1. Step 1: Write the proportion equation
   634,082.32 : 875,123.72 = 392,442.72 : x
2. Step 2: Convert to fraction form
   634,082.32/875,123.72 = 392,442.72/x
3. Step 3: Cross multiply
   634,082.32x = 875,123.72 × 392,442.72
4. Step 4: Simplify right side
   634,082.32x = 343,435,933,013.32
5. Step 5: Solve for x
   x = 343,435,933,013.32/634,082.32
6. Step 6: Final answer
   x = 541,626.73