Finding the Fourth Proportional to 2,766.72, 4,150.47 and 1,306.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,766.72 : 4,150.47 = 1,306.02 : x
2. Step 2: Convert to fraction form
   2,766.72/4,150.47 = 1,306.02/x
3. Step 3: Cross multiply
   2,766.72x = 4,150.47 × 1,306.02
4. Step 4: Simplify right side
   2,766.72x = 5,420,596.83
5. Step 5: Solve for x
   x = 5,420,596.83/2,766.72
6. Step 6: Final answer
   x = 1,959.21