Finding the Fourth Proportional to 327,234.81, 451,618.17 and 199,995.15

Step by Step Solution

1. Step 1: Write the proportion equation
   327,234.81 : 451,618.17 = 199,995.15 : x
2. Step 2: Convert to fraction form
   327,234.81/451,618.17 = 199,995.15/x
3. Step 3: Cross multiply
   327,234.81x = 451,618.17 × 199,995.15
4. Step 4: Simplify right side
   327,234.81x = 90,321,443,651.88
5. Step 5: Solve for x
   x = 90,321,443,651.88/327,234.81
6. Step 6: Final answer
   x = 276,014.17