Finding the Fourth Proportional to 2,042.22, 2,818.35 and 1,256.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.22 : 2,818.35 = 1,256.52 : x
2. Step 2: Convert to fraction form
   2,042.22/2,818.35 = 1,256.52/x
3. Step 3: Cross multiply
   2,042.22x = 2,818.35 × 1,256.52
4. Step 4: Simplify right side
   2,042.22x = 3,541,313.14
5. Step 5: Solve for x
   x = 3,541,313.14/2,042.22
6. Step 6: Final answer
   x = 1,734.05