Finding the Fourth Proportional to 8,847.18, 12,209.42 and 4,868.58

Step by Step Solution

1. Step 1: Write the proportion equation
   8,847.18 : 12,209.42 = 4,868.58 : x
2. Step 2: Convert to fraction form
   8,847.18/12,209.42 = 4,868.58/x
3. Step 3: Cross multiply
   8,847.18x = 12,209.42 × 4,868.58
4. Step 4: Simplify right side
   8,847.18x = 59,442,538.02
5. Step 5: Solve for x
   x = 59,442,538.02/8,847.18
6. Step 6: Final answer
   x = 6,718.81