Finding the Fourth Proportional to 796.50, 1,099.98 and 791.10

Step by Step Solution

1. Step 1: Write the proportion equation
   796.50 : 1,099.98 = 791.10 : x
2. Step 2: Convert to fraction form
   796.50/1,099.98 = 791.10/x
3. Step 3: Cross multiply
   796.50x = 1,099.98 × 791.10
4. Step 4: Simplify right side
   796.50x = 870,194.18
5. Step 5: Solve for x
   x = 870,194.18/796.50
6. Step 6: Final answer
   x = 1,092.52