Finding the Fourth Proportional to 45,355.56, 62,568.90 and 39,057

Step by Step Solution

1. Step 1: Write the proportion equation
   45,355.56 : 62,568.90 = 39,057 : x
2. Step 2: Convert to fraction form
   45,355.56/62,568.90 = 39,057/x
3. Step 3: Cross multiply
   45,355.56x = 62,568.90 × 39,057
4. Step 4: Simplify right side
   45,355.56x = 2,443,753,527.30
5. Step 5: Solve for x
   x = 2,443,753,527.30/45,355.56
6. Step 6: Final answer
   x = 53,879.91