Finding the Fourth Proportional to 1,273.82, 1,757.72 and 749.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,273.82 : 1,757.72 = 749.75 : x
2. Step 2: Convert to fraction form
   1,273.82/1,757.72 = 749.75/x
3. Step 3: Cross multiply
   1,273.82x = 1,757.72 × 749.75
4. Step 4: Simplify right side
   1,273.82x = 1,317,846.82
5. Step 5: Solve for x
   x = 1,317,846.82/1,273.82
6. Step 6: Final answer
   x = 1,034.56