Finding the Fourth Proportional to 2,081.56, 2,872.44 and 1,150

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.56 : 2,872.44 = 1,150 : x
2. Step 2: Convert to fraction form
   2,081.56/2,872.44 = 1,150/x
3. Step 3: Cross multiply
   2,081.56x = 2,872.44 × 1,150
4. Step 4: Simplify right side
   2,081.56x = 3,303,306
5. Step 5: Solve for x
   x = 3,303,306/2,081.56
6. Step 6: Final answer
   x = 1,586.94