Finding the Fourth Proportional to 2,028.88, 2,799.88 and 1,144.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,028.88 : 2,799.88 = 1,144.60 : x
2. Step 2: Convert to fraction form
   2,028.88/2,799.88 = 1,144.60/x
3. Step 3: Cross multiply
   2,028.88x = 2,799.88 × 1,144.60
4. Step 4: Simplify right side
   2,028.88x = 3,204,742.65
5. Step 5: Solve for x
   x = 3,204,742.65/2,028.88
6. Step 6: Final answer
   x = 1,579.56