Finding the Fourth Proportional to 17,211.30, 23,752.72 and 9,658.10

Step by Step Solution

1. Step 1: Write the proportion equation
   17,211.30 : 23,752.72 = 9,658.10 : x
2. Step 2: Convert to fraction form
   17,211.30/23,752.72 = 9,658.10/x
3. Step 3: Cross multiply
   17,211.30x = 23,752.72 × 9,658.10
4. Step 4: Simplify right side
   17,211.30x = 229,406,145.03
5. Step 5: Solve for x
   x = 229,406,145.03/17,211.30
6. Step 6: Final answer
   x = 13,328.81