Finding the Fourth Proportional to 359,436.50, 496,022.38 and 200,460.50

Step by Step Solution

1. Step 1: Write the proportion equation
   359,436.50 : 496,022.38 = 200,460.50 : x
2. Step 2: Convert to fraction form
   359,436.50/496,022.38 = 200,460.50/x
3. Step 3: Cross multiply
   359,436.50x = 496,022.38 × 200,460.50
4. Step 4: Simplify right side
   359,436.50x = 99,432,894,305.99
5. Step 5: Solve for x
   x = 99,432,894,305.99/359,436.50
6. Step 6: Final answer
   x = 276,635.50