Finding the Fourth Proportional to 17,638.08, 24,340.92 and 9,680.82

Step by Step Solution

1. Step 1: Write the proportion equation
   17,638.08 : 24,340.92 = 9,680.82 : x
2. Step 2: Convert to fraction form
   17,638.08/24,340.92 = 9,680.82/x
3. Step 3: Cross multiply
   17,638.08x = 24,340.92 × 9,680.82
4. Step 4: Simplify right side
   17,638.08x = 235,640,065.15
5. Step 5: Solve for x
   x = 235,640,065.15/17,638.08
6. Step 6: Final answer
   x = 13,359.73