Finding the Fourth Proportional to 1,182.74, 1,632.78 and 791.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,182.74 : 1,632.78 = 791.82 : x
2. Step 2: Convert to fraction form
   1,182.74/1,632.78 = 791.82/x
3. Step 3: Cross multiply
   1,182.74x = 1,632.78 × 791.82
4. Step 4: Simplify right side
   1,182.74x = 1,292,867.86
5. Step 5: Solve for x
   x = 1,292,867.86/1,182.74
6. Step 6: Final answer
   x = 1,093.12