Finding the Fourth Proportional to 9,682.72, 14,532.16 and 4,425.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,682.72 : 14,532.16 = 4,425.60 : x
2. Step 2: Convert to fraction form
   9,682.72/14,532.16 = 4,425.60/x
3. Step 3: Cross multiply
   9,682.72x = 14,532.16 × 4,425.60
4. Step 4: Simplify right side
   9,682.72x = 64,313,527.30
5. Step 5: Solve for x
   x = 64,313,527.30/9,682.72
6. Step 6: Final answer
   x = 6,642.09