Finding the Fourth Proportional to 2,042.56, 2,818.74 and 1,256.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.56 : 2,818.74 = 1,256.44 : x
2. Step 2: Convert to fraction form
   2,042.56/2,818.74 = 1,256.44/x
3. Step 3: Cross multiply
   2,042.56x = 2,818.74 × 1,256.44
4. Step 4: Simplify right side
   2,042.56x = 3,541,577.69
5. Step 5: Solve for x
   x = 3,541,577.69/2,042.56
6. Step 6: Final answer
   x = 1,733.89