Finding the Fourth Proportional to 1,273.83, 1,757.82 and 742.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,273.83 : 1,757.82 = 742.73 : x
2. Step 2: Convert to fraction form
   1,273.83/1,757.82 = 742.73/x
3. Step 3: Cross multiply
   1,273.83x = 1,757.82 × 742.73
4. Step 4: Simplify right side
   1,273.83x = 1,305,576.86
5. Step 5: Solve for x
   x = 1,305,576.86/1,273.83
6. Step 6: Final answer
   x = 1,024.92