Finding the Fourth Proportional to 2,042.91, 2,818.36 and 1,256.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.91 : 2,818.36 = 1,256.50 : x
2. Step 2: Convert to fraction form
   2,042.91/2,818.36 = 1,256.50/x
3. Step 3: Cross multiply
   2,042.91x = 2,818.36 × 1,256.50
4. Step 4: Simplify right side
   2,042.91x = 3,541,269.34
5. Step 5: Solve for x
   x = 3,541,269.34/2,042.91
6. Step 6: Final answer
   x = 1,733.44