Finding the Fourth Proportional to 328,046.72, 452,737.94 and 200,806.40

Step by Step Solution

1. Step 1: Write the proportion equation
   328,046.72 : 452,737.94 = 200,806.40 : x
2. Step 2: Convert to fraction form
   328,046.72/452,737.94 = 200,806.40/x
3. Step 3: Cross multiply
   328,046.72x = 452,737.94 × 200,806.40
4. Step 4: Simplify right side
   328,046.72x = 90,912,675,874.82
5. Step 5: Solve for x
   x = 90,912,675,874.82/328,046.72
6. Step 6: Final answer
   x = 277,133.32