Finding the Fourth Proportional to 2,042.92, 2,819.15 and 1,158.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.92 : 2,819.15 = 1,158.71 : x
2. Step 2: Convert to fraction form
   2,042.92/2,819.15 = 1,158.71/x
3. Step 3: Cross multiply
   2,042.92x = 2,819.15 × 1,158.71
4. Step 4: Simplify right side
   2,042.92x = 3,266,568.27
5. Step 5: Solve for x
   x = 3,266,568.27/2,042.92
6. Step 6: Final answer
   x = 1,598.97