Finding the Fourth Proportional to 2,042.26, 2,818.27 and 1,158.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.26 : 2,818.27 = 1,158.21 : x
2. Step 2: Convert to fraction form
   2,042.26/2,818.27 = 1,158.21/x
3. Step 3: Cross multiply
   2,042.26x = 2,818.27 × 1,158.21
4. Step 4: Simplify right side
   2,042.26x = 3,264,148.50
5. Step 5: Solve for x
   x = 3,264,148.50/2,042.26
6. Step 6: Final answer
   x = 1,598.30