Finding the Fourth Proportional to 2,042.82, 2,819.21 and 1,256.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.82 : 2,819.21 = 1,256.92 : x
2. Step 2: Convert to fraction form
   2,042.82/2,819.21 = 1,256.92/x
3. Step 3: Cross multiply
   2,042.82x = 2,819.21 × 1,256.92
4. Step 4: Simplify right side
   2,042.82x = 3,543,508.10
5. Step 5: Solve for x
   x = 3,543,508.10/2,042.82
6. Step 6: Final answer
   x = 1,734.62