Finding the Fourth Proportional to 2,514.78, 3,772.71 and 759.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,514.78 : 3,772.71 = 759.92 : x
2. Step 2: Convert to fraction form
   2,514.78/3,772.71 = 759.92/x
3. Step 3: Cross multiply
   2,514.78x = 3,772.71 × 759.92
4. Step 4: Simplify right side
   2,514.78x = 2,866,957.78
5. Step 5: Solve for x
   x = 2,866,957.78/2,514.78
6. Step 6: Final answer
   x = 1,140.04