Finding the Fourth Proportional to 2,766.78, 4,151.31 and 2,030.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,766.78 : 4,151.31 = 2,030.15 : x
2. Step 2: Convert to fraction form
   2,766.78/4,151.31 = 2,030.15/x
3. Step 3: Cross multiply
   2,766.78x = 4,151.31 × 2,030.15
4. Step 4: Simplify right side
   2,766.78x = 8,427,778.80
5. Step 5: Solve for x
   x = 8,427,778.80/2,766.78
6. Step 6: Final answer
   x = 3,046.06