Finding the Fourth Proportional to 1,256.31, 1,733.48 and 758.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,256.31 : 1,733.48 = 758.62 : x
2. Step 2: Convert to fraction form
   1,256.31/1,733.48 = 758.62/x
3. Step 3: Cross multiply
   1,256.31x = 1,733.48 × 758.62
4. Step 4: Simplify right side
   1,256.31x = 1,315,046.54
5. Step 5: Solve for x
   x = 1,315,046.54/1,256.31
6. Step 6: Final answer
   x = 1,046.75