Finding the Fourth Proportional to 17,702.58, 24,428.72 and 9,744.64

Step by Step Solution

1. Step 1: Write the proportion equation
   17,702.58 : 24,428.72 = 9,744.64 : x
2. Step 2: Convert to fraction form
   17,702.58/24,428.72 = 9,744.64/x
3. Step 3: Cross multiply
   17,702.58x = 24,428.72 × 9,744.64
4. Step 4: Simplify right side
   17,702.58x = 238,049,082.06
5. Step 5: Solve for x
   x = 238,049,082.06/17,702.58
6. Step 6: Final answer
   x = 13,447.14