Finding the Fourth Proportional to 17,720.87, 24,453.89 and 9,762.92

Step by Step Solution

1. Step 1: Write the proportion equation
   17,720.87 : 24,453.89 = 9,762.92 : x
2. Step 2: Convert to fraction form
   17,720.87/24,453.89 = 9,762.92/x
3. Step 3: Cross multiply
   17,720.87x = 24,453.89 × 9,762.92
4. Step 4: Simplify right side
   17,720.87x = 238,741,200.67
5. Step 5: Solve for x
   x = 238,741,200.67/17,720.87
6. Step 6: Final answer
   x = 13,472.32