Finding the Fourth Proportional to 17,680.33, 24,399.03 and 9,722.61

Step by Step Solution

1. Step 1: Write the proportion equation
   17,680.33 : 24,399.03 = 9,722.61 : x
2. Step 2: Convert to fraction form
   17,680.33/24,399.03 = 9,722.61/x
3. Step 3: Cross multiply
   17,680.33x = 24,399.03 × 9,722.61
4. Step 4: Simplify right side
   17,680.33x = 237,222,253.07
5. Step 5: Solve for x
   x = 237,222,253.07/17,680.33
6. Step 6: Final answer
   x = 13,417.30