Finding the Fourth Proportional to 738.53, 1,019.22 and 443.83

Step by Step Solution

1. Step 1: Write the proportion equation
   738.53 : 1,019.22 = 443.83 : x
2. Step 2: Convert to fraction form
   738.53/1,019.22 = 443.83/x
3. Step 3: Cross multiply
   738.53x = 1,019.22 × 443.83
4. Step 4: Simplify right side
   738.53x = 452,353.10
5. Step 5: Solve for x
   x = 452,353.10/738.53
6. Step 6: Final answer
   x = 612.50