Finding the Fourth Proportional to 17,679.29, 24,397.76 and 9,722.25

Step by Step Solution

1. Step 1: Write the proportion equation
   17,679.29 : 24,397.76 = 9,722.25 : x
2. Step 2: Convert to fraction form
   17,679.29/24,397.76 = 9,722.25/x
3. Step 3: Cross multiply
   17,679.29x = 24,397.76 × 9,722.25
4. Step 4: Simplify right side
   17,679.29x = 237,201,073.55
5. Step 5: Solve for x
   x = 237,201,073.55/17,679.29
6. Step 6: Final answer
   x = 13,416.89