Finding the Fourth Proportional to 796.89, 1,099.72 and 442.82

Step by Step Solution

1. Step 1: Write the proportion equation
   796.89 : 1,099.72 = 442.82 : x
2. Step 2: Convert to fraction form
   796.89/1,099.72 = 442.82/x
3. Step 3: Cross multiply
   796.89x = 1,099.72 × 442.82
4. Step 4: Simplify right side
   796.89x = 486,978.01
5. Step 5: Solve for x
   x = 486,978.01/796.89
6. Step 6: Final answer
   x = 611.10