Finding the Fourth Proportional to 2,766.12, 4,150.72 and 2,151.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,766.12 : 4,150.72 = 2,151.06 : x
2. Step 2: Convert to fraction form
   2,766.12/4,150.72 = 2,151.06/x
3. Step 3: Cross multiply
   2,766.12x = 4,150.72 × 2,151.06
4. Step 4: Simplify right side
   2,766.12x = 8,928,447.76
5. Step 5: Solve for x
   x = 8,928,447.76/2,766.12
6. Step 6: Final answer
   x = 3,227.79