Finding the Fourth Proportional to 2,028.20, 2,798.83 and 1,144.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,028.20 : 2,798.83 = 1,144.08 : x
2. Step 2: Convert to fraction form
   2,028.20/2,798.83 = 1,144.08/x
3. Step 3: Cross multiply
   2,028.20x = 2,798.83 × 1,144.08
4. Step 4: Simplify right side
   2,028.20x = 3,202,085.43
5. Step 5: Solve for x
   x = 3,202,085.43/2,028.20
6. Step 6: Final answer
   x = 1,578.78