Finding the Fourth Proportional to 17,680.52, 24,398.84 and 9,722.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,680.52 : 24,398.84 = 9,722.72 : x
2. Step 2: Convert to fraction form
   17,680.52/24,398.84 = 9,722.72/x
3. Step 3: Cross multiply
   17,680.52x = 24,398.84 × 9,722.72
4. Step 4: Simplify right side
   17,680.52x = 237,223,174.95
5. Step 5: Solve for x
   x = 237,223,174.95/17,680.52
6. Step 6: Final answer
   x = 13,417.20