Finding the Fourth Proportional to 42,639.61, 58,839.90 and 23,518.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,639.61 : 58,839.90 = 23,518.25 : x
2. Step 2: Convert to fraction form
   42,639.61/58,839.90 = 23,518.25/x
3. Step 3: Cross multiply
   42,639.61x = 58,839.90 × 23,518.25
4. Step 4: Simplify right side
   42,639.61x = 1,383,811,183.98
5. Step 5: Solve for x
   x = 1,383,811,183.98/42,639.61
6. Step 6: Final answer
   x = 32,453.65