Finding the Fourth Proportional to 9,680.46, 13,359.57 and 5,432.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,680.46 : 13,359.57 = 5,432.88 : x
2. Step 2: Convert to fraction form
   9,680.46/13,359.57 = 5,432.88/x
3. Step 3: Cross multiply
   9,680.46x = 13,359.57 × 5,432.88
4. Step 4: Simplify right side
   9,680.46x = 72,580,940.66
5. Step 5: Solve for x
   x = 72,580,940.66/9,680.46
6. Step 6: Final answer
   x = 7,497.67