Finding the Fourth Proportional to 796.88, 1,099.71 and 447.59

Step by Step Solution

1. Step 1: Write the proportion equation
   796.88 : 1,099.71 = 447.59 : x
2. Step 2: Convert to fraction form
   796.88/1,099.71 = 447.59/x
3. Step 3: Cross multiply
   796.88x = 1,099.71 × 447.59
4. Step 4: Simplify right side
   796.88x = 492,219.20
5. Step 5: Solve for x
   x = 492,219.20/796.88
6. Step 6: Final answer
   x = 617.68