Finding the Fourth Proportional to 17,744.20, 24,487.16 and 9,786.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,744.20 : 24,487.16 = 9,786.72 : x
2. Step 2: Convert to fraction form
   17,744.20/24,487.16 = 9,786.72/x
3. Step 3: Cross multiply
   17,744.20x = 24,487.16 × 9,786.72
4. Step 4: Simplify right side
   17,744.20x = 239,648,978.52
5. Step 5: Solve for x
   x = 239,648,978.52/17,744.20
6. Step 6: Final answer
   x = 13,505.76