Finding the Fourth Proportional to 2,028.79, 2,799.71 and 1,144.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,028.79 : 2,799.71 = 1,144.88 : x
2. Step 2: Convert to fraction form
   2,028.79/2,799.71 = 1,144.88/x
3. Step 3: Cross multiply
   2,028.79x = 2,799.71 × 1,144.88
4. Step 4: Simplify right side
   2,028.79x = 3,205,331.98
5. Step 5: Solve for x
   x = 3,205,331.98/2,028.79
6. Step 6: Final answer
   x = 1,579.92