Finding the Fourth Proportional to 361,797.57, 499,311.27 and 200,704.50

Step by Step Solution

1. Step 1: Write the proportion equation
   361,797.57 : 499,311.27 = 200,704.50 : x
2. Step 2: Convert to fraction form
   361,797.57/499,311.27 = 200,704.50/x
3. Step 3: Cross multiply
   361,797.57x = 499,311.27 × 200,704.50
4. Step 4: Simplify right side
   361,797.57x = 100,214,018,789.72
5. Step 5: Solve for x
   x = 100,214,018,789.72/361,797.57
6. Step 6: Final answer
   x = 276,989.20