Finding the Fourth Proportional to 1,150.74, 1,723.98 and 842.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.74 : 1,723.98 = 842.73 : x
2. Step 2: Convert to fraction form
   1,150.74/1,723.98 = 842.73/x
3. Step 3: Cross multiply
   1,150.74x = 1,723.98 × 842.73
4. Step 4: Simplify right side
   1,150.74x = 1,452,849.67
5. Step 5: Solve for x
   x = 1,452,849.67/1,150.74
6. Step 6: Final answer
   x = 1,262.54