Finding the Fourth Proportional to 2,028.27, 2,798.78 and 1,144.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,028.27 : 2,798.78 = 1,144.02 : x
2. Step 2: Convert to fraction form
   2,028.27/2,798.78 = 1,144.02/x
3. Step 3: Cross multiply
   2,028.27x = 2,798.78 × 1,144.02
4. Step 4: Simplify right side
   2,028.27x = 3,201,854.58
5. Step 5: Solve for x
   x = 3,201,854.58/2,028.27
6. Step 6: Final answer
   x = 1,578.61