Finding the Fourth Proportional to 17,681.49, 24,399.50 and 9,722.43

Step by Step Solution

1. Step 1: Write the proportion equation
   17,681.49 : 24,399.50 = 9,722.43 : x
2. Step 2: Convert to fraction form
   17,681.49/24,399.50 = 9,722.43/x
3. Step 3: Cross multiply
   17,681.49x = 24,399.50 × 9,722.43
4. Step 4: Simplify right side
   17,681.49x = 237,222,382.17
5. Step 5: Solve for x
   x = 237,222,382.17/17,681.49
6. Step 6: Final answer
   x = 13,416.42