Finding the Fourth Proportional to 2,028.45, 2,799.32 and 1,144.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,028.45 : 2,799.32 = 1,144.20 : x
2. Step 2: Convert to fraction form
   2,028.45/2,799.32 = 1,144.20/x
3. Step 3: Cross multiply
   2,028.45x = 2,799.32 × 1,144.20
4. Step 4: Simplify right side
   2,028.45x = 3,202,976.22
5. Step 5: Solve for x
   x = 3,202,976.22/2,028.45
6. Step 6: Final answer
   x = 1,579.03