Finding the Fourth Proportional to 1,234.27, 1,850.76 and 443.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,234.27 : 1,850.76 = 443.50 : x
2. Step 2: Convert to fraction form
   1,234.27/1,850.76 = 443.50/x
3. Step 3: Cross multiply
   1,234.27x = 1,850.76 × 443.50
4. Step 4: Simplify right side
   1,234.27x = 820,812.06
5. Step 5: Solve for x
   x = 820,812.06/1,234.27
6. Step 6: Final answer
   x = 665.02