Finding the Fourth Proportional to 42,002.24, 57,963.09 and 23,139.37

Step by Step Solution

1. Step 1: Write the proportion equation
   42,002.24 : 57,963.09 = 23,139.37 : x
2. Step 2: Convert to fraction form
   42,002.24/57,963.09 = 23,139.37/x
3. Step 3: Cross multiply
   42,002.24x = 57,963.09 × 23,139.37
4. Step 4: Simplify right side
   42,002.24x = 1,341,229,385.85
5. Step 5: Solve for x
   x = 1,341,229,385.85/42,002.24
6. Step 6: Final answer
   x = 31,932.33