Finding the Fourth Proportional to 2,028.39, 2,799.16 and 1,144.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,028.39 : 2,799.16 = 1,144.18 : x
2. Step 2: Convert to fraction form
   2,028.39/2,799.16 = 1,144.18/x
3. Step 3: Cross multiply
   2,028.39x = 2,799.16 × 1,144.18
4. Step 4: Simplify right side
   2,028.39x = 3,202,742.89
5. Step 5: Solve for x
   x = 3,202,742.89/2,028.39
6. Step 6: Final answer
   x = 1,578.96