Finding the Fourth Proportional to 8,766.53, 12,104.52 and 5,786.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,766.53 : 12,104.52 = 5,786.60 : x
2. Step 2: Convert to fraction form
   8,766.53/12,104.52 = 5,786.60/x
3. Step 3: Cross multiply
   8,766.53x = 12,104.52 × 5,786.60
4. Step 4: Simplify right side
   8,766.53x = 70,044,015.43
5. Step 5: Solve for x
   x = 70,044,015.43/8,766.53
6. Step 6: Final answer
   x = 7,989.94