Finding the Fourth Proportional to 361,608.72, 498,973.92 and 200,462.32

Step by Step Solution

1. Step 1: Write the proportion equation
   361,608.72 : 498,973.92 = 200,462.32 : x
2. Step 2: Convert to fraction form
   361,608.72/498,973.92 = 200,462.32/x
3. Step 3: Cross multiply
   361,608.72x = 498,973.92 × 200,462.32
4. Step 4: Simplify right side
   361,608.72x = 100,025,469,622.69
5. Step 5: Solve for x
   x = 100,025,469,622.69/361,608.72
6. Step 6: Final answer
   x = 276,612.44