Finding the Fourth Proportional to 2,042.91, 2,819.25 and 1,158.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.91 : 2,819.25 = 1,158.74 : x
2. Step 2: Convert to fraction form
   2,042.91/2,819.25 = 1,158.74/x
3. Step 3: Cross multiply
   2,042.91x = 2,819.25 × 1,158.74
4. Step 4: Simplify right side
   2,042.91x = 3,266,763.65
5. Step 5: Solve for x
   x = 3,266,763.65/2,042.91
6. Step 6: Final answer
   x = 1,599.07