Finding the Fourth Proportional to 8,847.40, 12,209.50 and 4,868.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,847.40 : 12,209.50 = 4,868.61 : x
2. Step 2: Convert to fraction form
   8,847.40/12,209.50 = 4,868.61/x
3. Step 3: Cross multiply
   8,847.40x = 12,209.50 × 4,868.61
4. Step 4: Simplify right side
   8,847.40x = 59,443,254.10
5. Step 5: Solve for x
   x = 59,443,254.10/8,847.40
6. Step 6: Final answer
   x = 6,718.72