Finding the Fourth Proportional to 2,028.68, 2,799.57 and 1,144.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,028.68 : 2,799.57 = 1,144.47 : x
2. Step 2: Convert to fraction form
   2,028.68/2,799.57 = 1,144.47/x
3. Step 3: Cross multiply
   2,028.68x = 2,799.57 × 1,144.47
4. Step 4: Simplify right side
   2,028.68x = 3,204,023.88
5. Step 5: Solve for x
   x = 3,204,023.88/2,028.68
6. Step 6: Final answer
   x = 1,579.37