Finding the Fourth Proportional to 42,456.70, 58,591.35 and 25,463.68

Step by Step Solution

1. Step 1: Write the proportion equation
   42,456.70 : 58,591.35 = 25,463.68 : x
2. Step 2: Convert to fraction form
   42,456.70/58,591.35 = 25,463.68/x
3. Step 3: Cross multiply
   42,456.70x = 58,591.35 × 25,463.68
4. Step 4: Simplify right side
   42,456.70x = 1,491,951,387.17
5. Step 5: Solve for x
   x = 1,491,951,387.17/42,456.70
6. Step 6: Final answer
   x = 35,140.54