Finding the Fourth Proportional to 1,256.68, 1,734.42 and 759.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,256.68 : 1,734.42 = 759.34 : x
2. Step 2: Convert to fraction form
   1,256.68/1,734.42 = 759.34/x
3. Step 3: Cross multiply
   1,256.68x = 1,734.42 × 759.34
4. Step 4: Simplify right side
   1,256.68x = 1,317,014.48
5. Step 5: Solve for x
   x = 1,317,014.48/1,256.68
6. Step 6: Final answer
   x = 1,048.01