Finding the Fourth Proportional to 2,028.65, 2,799.48 and 1,144.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,028.65 : 2,799.48 = 1,144.45 : x
2. Step 2: Convert to fraction form
   2,028.65/2,799.48 = 1,144.45/x
3. Step 3: Cross multiply
   2,028.65x = 2,799.48 × 1,144.45
4. Step 4: Simplify right side
   2,028.65x = 3,203,864.89
5. Step 5: Solve for x
   x = 3,203,864.89/2,028.65
6. Step 6: Final answer
   x = 1,579.31