Finding the Fourth Proportional to 1,454.62, 2,007.31 and 791.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,454.62 : 2,007.31 = 791.47 : x
2. Step 2: Convert to fraction form
   1,454.62/2,007.31 = 791.47/x
3. Step 3: Cross multiply
   1,454.62x = 2,007.31 × 791.47
4. Step 4: Simplify right side
   1,454.62x = 1,588,731.77
5. Step 5: Solve for x
   x = 1,588,731.77/1,454.62
6. Step 6: Final answer
   x = 1,092.20