Finding the Fourth Proportional to 2,089.00, 2,882.86 and 1,144.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,089.00 : 2,882.86 = 1,144.78 : x
2. Step 2: Convert to fraction form
   2,089.00/2,882.86 = 1,144.78/x
3. Step 3: Cross multiply
   2,089.00x = 2,882.86 × 1,144.78
4. Step 4: Simplify right side
   2,089.00x = 3,300,230.40
5. Step 5: Solve for x
   x = 3,300,230.40/2,089.00
6. Step 6: Final answer
   x = 1,579.81