Finding the Fourth Proportional to 1,454.34, 2,006.96 and 791.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,454.34 : 2,006.96 = 791.22 : x
2. Step 2: Convert to fraction form
   1,454.34/2,006.96 = 791.22/x
3. Step 3: Cross multiply
   1,454.34x = 2,006.96 × 791.22
4. Step 4: Simplify right side
   1,454.34x = 1,587,946.89
5. Step 5: Solve for x
   x = 1,587,946.89/1,454.34
6. Step 6: Final answer
   x = 1,091.87