Finding the Fourth Proportional to 2,042.83, 2,819.01 and 1,158.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.83 : 2,819.01 = 1,158.61 : x
2. Step 2: Convert to fraction form
   2,042.83/2,819.01 = 1,158.61/x
3. Step 3: Cross multiply
   2,042.83x = 2,819.01 × 1,158.61
4. Step 4: Simplify right side
   2,042.83x = 3,266,133.18
5. Step 5: Solve for x
   x = 3,266,133.18/2,042.83
6. Step 6: Final answer
   x = 1,598.83