Finding the Fourth Proportional to 42,639.52, 58,842.92 and 23,520.03

Step by Step Solution

1. Step 1: Write the proportion equation
   42,639.52 : 58,842.92 = 23,520.03 : x
2. Step 2: Convert to fraction form
   42,639.52/58,842.92 = 23,520.03/x
3. Step 3: Cross multiply
   42,639.52x = 58,842.92 × 23,520.03
4. Step 4: Simplify right side
   42,639.52x = 1,383,987,243.69
5. Step 5: Solve for x
   x = 1,383,987,243.69/42,639.52
6. Step 6: Final answer
   x = 32,457.85