Finding the Fourth Proportional to 42,131.28, 58,140.68 and 23,010.96

Step by Step Solution

1. Step 1: Write the proportion equation
   42,131.28 : 58,140.68 = 23,010.96 : x
2. Step 2: Convert to fraction form
   42,131.28/58,140.68 = 23,010.96/x
3. Step 3: Cross multiply
   42,131.28x = 58,140.68 × 23,010.96
4. Step 4: Simplify right side
   42,131.28x = 1,337,872,861.85
5. Step 5: Solve for x
   x = 1,337,872,861.85/42,131.28
6. Step 6: Final answer
   x = 31,754.86