Finding the Fourth Proportional to 1,454.86, 2,007.69 and 791.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,454.86 : 2,007.69 = 791.71 : x
2. Step 2: Convert to fraction form
   1,454.86/2,007.69 = 791.71/x
3. Step 3: Cross multiply
   1,454.86x = 2,007.69 × 791.71
4. Step 4: Simplify right side
   1,454.86x = 1,589,494.25
5. Step 5: Solve for x
   x = 1,589,494.25/1,454.86
6. Step 6: Final answer
   x = 1,092.54