Finding the Fourth Proportional to 8,766.94, 12,096.77 and 4,989.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,766.94 : 12,096.77 = 4,989.88 : x
2. Step 2: Convert to fraction form
   8,766.94/12,096.77 = 4,989.88/x
3. Step 3: Cross multiply
   8,766.94x = 12,096.77 × 4,989.88
4. Step 4: Simplify right side
   8,766.94x = 60,361,439.57
5. Step 5: Solve for x
   x = 60,361,439.57/8,766.94
6. Step 6: Final answer
   x = 6,885.12