Finding the Fourth Proportional to 17,213.13, 23,748.71 and 9,658.35

Step by Step Solution

1. Step 1: Write the proportion equation
   17,213.13 : 23,748.71 = 9,658.35 : x
2. Step 2: Convert to fraction form
   17,213.13/23,748.71 = 9,658.35/x
3. Step 3: Cross multiply
   17,213.13x = 23,748.71 × 9,658.35
4. Step 4: Simplify right side
   17,213.13x = 229,373,304.94
5. Step 5: Solve for x
   x = 229,373,304.94/17,213.13
6. Step 6: Final answer
   x = 13,325.48