Finding the Fourth Proportional to 801.87, 1,106.59 and 447.82

Step by Step Solution

1. Step 1: Write the proportion equation
   801.87 : 1,106.59 = 447.82 : x
2. Step 2: Convert to fraction form
   801.87/1,106.59 = 447.82/x
3. Step 3: Cross multiply
   801.87x = 1,106.59 × 447.82
4. Step 4: Simplify right side
   801.87x = 495,550.89
5. Step 5: Solve for x
   x = 495,550.89/801.87
6. Step 6: Final answer
   x = 618.00