Finding the Fourth Proportional to 17,679.50, 24,397.72 and 9,722.27

Step by Step Solution

1. Step 1: Write the proportion equation
   17,679.50 : 24,397.72 = 9,722.27 : x
2. Step 2: Convert to fraction form
   17,679.50/24,397.72 = 9,722.27/x
3. Step 3: Cross multiply
   17,679.50x = 24,397.72 × 9,722.27
4. Step 4: Simplify right side
   17,679.50x = 237,201,172.61
5. Step 5: Solve for x
   x = 237,201,172.61/17,679.50
6. Step 6: Final answer
   x = 13,416.74