Finding the Fourth Proportional to 2,042.76, 2,818.80 and 1,158.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.76 : 2,818.80 = 1,158.38 : x
2. Step 2: Convert to fraction form
   2,042.76/2,818.80 = 1,158.38/x
3. Step 3: Cross multiply
   2,042.76x = 2,818.80 × 1,158.38
4. Step 4: Simplify right side
   2,042.76x = 3,265,241.54
5. Step 5: Solve for x
   x = 3,265,241.54/2,042.76
6. Step 6: Final answer
   x = 1,598.45