Finding the Fourth Proportional to 56,082.56, 77,393.86 and 30,932.04

Step by Step Solution

1. Step 1: Write the proportion equation
   56,082.56 : 77,393.86 = 30,932.04 : x
2. Step 2: Convert to fraction form
   56,082.56/77,393.86 = 30,932.04/x
3. Step 3: Cross multiply
   56,082.56x = 77,393.86 × 30,932.04
4. Step 4: Simplify right side
   56,082.56x = 2,393,949,973.27
5. Step 5: Solve for x
   x = 2,393,949,973.27/56,082.56
6. Step 6: Final answer
   x = 42,686.18