Finding the Fourth Proportional to 2,589.17, 3,883.14 and 1,028.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,589.17 : 3,883.14 = 1,028.50 : x
2. Step 2: Convert to fraction form
   2,589.17/3,883.14 = 1,028.50/x
3. Step 3: Cross multiply
   2,589.17x = 3,883.14 × 1,028.50
4. Step 4: Simplify right side
   2,589.17x = 3,993,799.78
5. Step 5: Solve for x
   x = 3,993,799.78/2,589.17
6. Step 6: Final answer
   x = 1,542.50