Finding the Fourth Proportional to 2,767.78, 4,150.23 and 1,306.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,767.78 : 4,150.23 = 1,306.54 : x
2. Step 2: Convert to fraction form
   2,767.78/4,150.23 = 1,306.54/x
3. Step 3: Cross multiply
   2,767.78x = 4,150.23 × 1,306.54
4. Step 4: Simplify right side
   2,767.78x = 5,422,441.50
5. Step 5: Solve for x
   x = 5,422,441.50/2,767.78
6. Step 6: Final answer
   x = 1,959.13