Finding the Fourth Proportional to 17,638.49, 24,341.00 and 9,680.54

Step by Step Solution

1. Step 1: Write the proportion equation
   17,638.49 : 24,341.00 = 9,680.54 : x
2. Step 2: Convert to fraction form
   17,638.49/24,341.00 = 9,680.54/x
3. Step 3: Cross multiply
   17,638.49x = 24,341.00 × 9,680.54
4. Step 4: Simplify right side
   17,638.49x = 235,633,854.03
5. Step 5: Solve for x
   x = 235,633,854.03/17,638.49
6. Step 6: Final answer
   x = 13,359.08