Finding the Fourth Proportional to 8,847.71, 12,209.89 and 4,868.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,847.71 : 12,209.89 = 4,868.72 : x
2. Step 2: Convert to fraction form
   8,847.71/12,209.89 = 4,868.72/x
3. Step 3: Cross multiply
   8,847.71x = 12,209.89 × 4,868.72
4. Step 4: Simplify right side
   8,847.71x = 59,446,474.59
5. Step 5: Solve for x
   x = 59,446,474.59/8,847.71
6. Step 6: Final answer
   x = 6,718.86