Finding the Fourth Proportional to 796.58, 1,099.81 and 498.27

Step by Step Solution

1. Step 1: Write the proportion equation
   796.58 : 1,099.81 = 498.27 : x
2. Step 2: Convert to fraction form
   796.58/1,099.81 = 498.27/x
3. Step 3: Cross multiply
   796.58x = 1,099.81 × 498.27
4. Step 4: Simplify right side
   796.58x = 548,002.33
5. Step 5: Solve for x
   x = 548,002.33/796.58
6. Step 6: Final answer
   x = 687.94