Finding the Fourth Proportional to 8,647.46, 12,957.98 and 4,488.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,647.46 : 12,957.98 = 4,488.82 : x
2. Step 2: Convert to fraction form
   8,647.46/12,957.98 = 4,488.82/x
3. Step 3: Cross multiply
   8,647.46x = 12,957.98 × 4,488.82
4. Step 4: Simplify right side
   8,647.46x = 58,165,984.94
5. Step 5: Solve for x
   x = 58,165,984.94/8,647.46
6. Step 6: Final answer
   x = 6,726.37