Finding the Fourth Proportional to 1,454.69, 2,007.49 and 791.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,454.69 : 2,007.49 = 791.55 : x
2. Step 2: Convert to fraction form
   1,454.69/2,007.49 = 791.55/x
3. Step 3: Cross multiply
   1,454.69x = 2,007.49 × 791.55
4. Step 4: Simplify right side
   1,454.69x = 1,589,026.73
5. Step 5: Solve for x
   x = 1,589,026.73/1,454.69
6. Step 6: Final answer
   x = 1,092.35