Finding the Fourth Proportional to 2,042.52, 2,818.80 and 1,158.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.52 : 2,818.80 = 1,158.18 : x
2. Step 2: Convert to fraction form
   2,042.52/2,818.80 = 1,158.18/x
3. Step 3: Cross multiply
   2,042.52x = 2,818.80 × 1,158.18
4. Step 4: Simplify right side
   2,042.52x = 3,264,677.78
5. Step 5: Solve for x
   x = 3,264,677.78/2,042.52
6. Step 6: Final answer
   x = 1,598.36