Finding the Fourth Proportional to 801.72, 1,106.34 and 452.42

Step by Step Solution

1. Step 1: Write the proportion equation
   801.72 : 1,106.34 = 452.42 : x
2. Step 2: Convert to fraction form
   801.72/1,106.34 = 452.42/x
3. Step 3: Cross multiply
   801.72x = 1,106.34 × 452.42
4. Step 4: Simplify right side
   801.72x = 500,530.34
5. Step 5: Solve for x
   x = 500,530.34/801.72
6. Step 6: Final answer
   x = 624.32