Finding the Fourth Proportional to 17,674.92, 24,391.56 and 9,717.20

Step by Step Solution

1. Step 1: Write the proportion equation
   17,674.92 : 24,391.56 = 9,717.20 : x
2. Step 2: Convert to fraction form
   17,674.92/24,391.56 = 9,717.20/x
3. Step 3: Cross multiply
   17,674.92x = 24,391.56 × 9,717.20
4. Step 4: Simplify right side
   17,674.92x = 237,017,666.83
5. Step 5: Solve for x
   x = 237,017,666.83/17,674.92
6. Step 6: Final answer
   x = 13,409.83