Finding the Fourth Proportional to 1,454.72, 2,007.56 and 791.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,454.72 : 2,007.56 = 791.62 : x
2. Step 2: Convert to fraction form
   1,454.72/2,007.56 = 791.62/x
3. Step 3: Cross multiply
   1,454.72x = 2,007.56 × 791.62
4. Step 4: Simplify right side
   1,454.72x = 1,589,219.38
5. Step 5: Solve for x
   x = 1,589,219.38/1,454.72
6. Step 6: Final answer
   x = 1,092.46