Finding the Fourth Proportional to 1,275.18, 1,759.76 and 744.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,275.18 : 1,759.76 = 744.09 : x
2. Step 2: Convert to fraction form
   1,275.18/1,759.76 = 744.09/x
3. Step 3: Cross multiply
   1,275.18x = 1,759.76 × 744.09
4. Step 4: Simplify right side
   1,275.18x = 1,309,419.82
5. Step 5: Solve for x
   x = 1,309,419.82/1,275.18
6. Step 6: Final answer
   x = 1,026.85