Finding the Fourth Proportional to 42,013.92, 57,976.92 and 23,149.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,013.92 : 57,976.92 = 23,149.56 : x
2. Step 2: Convert to fraction form
   42,013.92/57,976.92 = 23,149.56/x
3. Step 3: Cross multiply
   42,013.92x = 57,976.92 × 23,149.56
4. Step 4: Simplify right side
   42,013.92x = 1,342,140,188.16
5. Step 5: Solve for x
   x = 1,342,140,188.16/42,013.92
6. Step 6: Final answer
   x = 31,945.13