Finding the Fourth Proportional to 9,680.52, 14,515.92 and 4,490.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,680.52 : 14,515.92 = 4,490.04 : x
2. Step 2: Convert to fraction form
   9,680.52/14,515.92 = 4,490.04/x
3. Step 3: Cross multiply
   9,680.52x = 14,515.92 × 4,490.04
4. Step 4: Simplify right side
   9,680.52x = 65,177,061.44
5. Step 5: Solve for x
   x = 65,177,061.44/9,680.52
6. Step 6: Final answer
   x = 6,732.81