Finding the Fourth Proportional to 796.91, 1,099.71 and 442.83

Step by Step Solution

1. Step 1: Write the proportion equation
   796.91 : 1,099.71 = 442.83 : x
2. Step 2: Convert to fraction form
   796.91/1,099.71 = 442.83/x
3. Step 3: Cross multiply
   796.91x = 1,099.71 × 442.83
4. Step 4: Simplify right side
   796.91x = 486,978.79
5. Step 5: Solve for x
   x = 486,978.79/796.91
6. Step 6: Final answer
   x = 611.09