Finding the Fourth Proportional to 2,089.11, 2,882.84 and 1,144.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,089.11 : 2,882.84 = 1,144.71 : x
2. Step 2: Convert to fraction form
   2,089.11/2,882.84 = 1,144.71/x
3. Step 3: Cross multiply
   2,089.11x = 2,882.84 × 1,144.71
4. Step 4: Simplify right side
   2,089.11x = 3,300,024.04
5. Step 5: Solve for x
   x = 3,300,024.04/2,089.11
6. Step 6: Final answer
   x = 1,579.63