Finding the Fourth Proportional to 42,578.28, 58,757.27 and 23,715

Step by Step Solution

1. Step 1: Write the proportion equation
   42,578.28 : 58,757.27 = 23,715 : x
2. Step 2: Convert to fraction form
   42,578.28/58,757.27 = 23,715/x
3. Step 3: Cross multiply
   42,578.28x = 58,757.27 × 23,715
4. Step 4: Simplify right side
   42,578.28x = 1,393,428,539.48
5. Step 5: Solve for x
   x = 1,393,428,539.48/42,578.28
6. Step 6: Final answer
   x = 32,726.28