Finding the Fourth Proportional to 2,028.63, 2,799.52 and 1,144.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,028.63 : 2,799.52 = 1,144.61 : x
2. Step 2: Convert to fraction form
   2,028.63/2,799.52 = 1,144.61/x
3. Step 3: Cross multiply
   2,028.63x = 2,799.52 × 1,144.61
4. Step 4: Simplify right side
   2,028.63x = 3,204,341.73
5. Step 5: Solve for x
   x = 3,204,341.73/2,028.63
6. Step 6: Final answer
   x = 1,579.56