Finding the Fourth Proportional to 735.48, 1,100.46 and 443.10

Step by Step Solution

1. Step 1: Write the proportion equation
   735.48 : 1,100.46 = 443.10 : x
2. Step 2: Convert to fraction form
   735.48/1,100.46 = 443.10/x
3. Step 3: Cross multiply
   735.48x = 1,100.46 × 443.10
4. Step 4: Simplify right side
   735.48x = 487,613.83
5. Step 5: Solve for x
   x = 487,613.83/735.48
6. Step 6: Final answer
   x = 662.99