Finding the Fourth Proportional to 797.01, 1,099.83 and 447.72

Step by Step Solution

1. Step 1: Write the proportion equation
   797.01 : 1,099.83 = 447.72 : x
2. Step 2: Convert to fraction form
   797.01/1,099.83 = 447.72/x
3. Step 3: Cross multiply
   797.01x = 1,099.83 × 447.72
4. Step 4: Simplify right side
   797.01x = 492,415.89
5. Step 5: Solve for x
   x = 492,415.89/797.01
6. Step 6: Final answer
   x = 617.83