Finding the Fourth Proportional to 8,608.24, 12,906.42 and 2,766.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,608.24 : 12,906.42 = 2,766.52 : x
2. Step 2: Convert to fraction form
   8,608.24/12,906.42 = 2,766.52/x
3. Step 3: Cross multiply
   8,608.24x = 12,906.42 × 2,766.52
4. Step 4: Simplify right side
   8,608.24x = 35,705,869.06
5. Step 5: Solve for x
   x = 35,705,869.06/8,608.24
6. Step 6: Final answer
   x = 4,147.87