Finding the Fourth Proportional to 17,663.79, 24,376.17 and 9,706.15

Step by Step Solution

1. Step 1: Write the proportion equation
   17,663.79 : 24,376.17 = 9,706.15 : x
2. Step 2: Convert to fraction form
   17,663.79/24,376.17 = 9,706.15/x
3. Step 3: Cross multiply
   17,663.79x = 24,376.17 × 9,706.15
4. Step 4: Simplify right side
   17,663.79x = 236,598,762.45
5. Step 5: Solve for x
   x = 236,598,762.45/17,663.79
6. Step 6: Final answer
   x = 13,394.56