Finding the Fourth Proportional to 2,081.85, 2,872.95 and 1,150.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.85 : 2,872.95 = 1,150.35 : x
2. Step 2: Convert to fraction form
   2,081.85/2,872.95 = 1,150.35/x
3. Step 3: Cross multiply
   2,081.85x = 2,872.95 × 1,150.35
4. Step 4: Simplify right side
   2,081.85x = 3,304,898.03
5. Step 5: Solve for x
   x = 3,304,898.03/2,081.85
6. Step 6: Final answer
   x = 1,587.48