Finding the Fourth Proportional to 42,311.20, 58,391.78 and 23,447.92

Step by Step Solution

1. Step 1: Write the proportion equation
   42,311.20 : 58,391.78 = 23,447.92 : x
2. Step 2: Convert to fraction form
   42,311.20/58,391.78 = 23,447.92/x
3. Step 3: Cross multiply
   42,311.20x = 58,391.78 × 23,447.92
4. Step 4: Simplify right side
   42,311.20x = 1,369,165,786.10
5. Step 5: Solve for x
   x = 1,369,165,786.10/42,311.20
6. Step 6: Final answer
   x = 32,359.42