Finding the Fourth Proportional to 17,724.20, 24,460.48 and 9,766.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,724.20 : 24,460.48 = 9,766.42 : x
2. Step 2: Convert to fraction form
   17,724.20/24,460.48 = 9,766.42/x
3. Step 3: Cross multiply
   17,724.20x = 24,460.48 × 9,766.42
4. Step 4: Simplify right side
   17,724.20x = 238,891,198.78
5. Step 5: Solve for x
   x = 238,891,198.78/17,724.20
6. Step 6: Final answer
   x = 13,478.25