Finding the Fourth Proportional to 17,516.72, 24,172.72 and 9,558.95

Step by Step Solution

1. Step 1: Write the proportion equation
   17,516.72 : 24,172.72 = 9,558.95 : x
2. Step 2: Convert to fraction form
   17,516.72/24,172.72 = 9,558.95/x
3. Step 3: Cross multiply
   17,516.72x = 24,172.72 × 9,558.95
4. Step 4: Simplify right side
   17,516.72x = 231,065,677.08
5. Step 5: Solve for x
   x = 231,065,677.08/17,516.72
6. Step 6: Final answer
   x = 13,191.15