Finding the Fourth Proportional to 1,454.56, 2,007.27 and 791.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,454.56 : 2,007.27 = 791.40 : x
2. Step 2: Convert to fraction form
   1,454.56/2,007.27 = 791.40/x
3. Step 3: Cross multiply
   1,454.56x = 2,007.27 × 791.40
4. Step 4: Simplify right side
   1,454.56x = 1,588,553.48
5. Step 5: Solve for x
   x = 1,588,553.48/1,454.56
6. Step 6: Final answer
   x = 1,092.12