Finding the Fourth Proportional to 8,485.76, 12,732.42 and 3,292.04

Step by Step Solution

1. Step 1: Write the proportion equation
   8,485.76 : 12,732.42 = 3,292.04 : x
2. Step 2: Convert to fraction form
   8,485.76/12,732.42 = 3,292.04/x
3. Step 3: Cross multiply
   8,485.76x = 12,732.42 × 3,292.04
4. Step 4: Simplify right side
   8,485.76x = 41,915,635.94
5. Step 5: Solve for x
   x = 41,915,635.94/8,485.76
6. Step 6: Final answer
   x = 4,939.53