Finding the Fourth Proportional to 359,595.69, 496,241.55 and 198,450.72

Step by Step Solution

1. Step 1: Write the proportion equation
   359,595.69 : 496,241.55 = 198,450.72 : x
2. Step 2: Convert to fraction form
   359,595.69/496,241.55 = 198,450.72/x
3. Step 3: Cross multiply
   359,595.69x = 496,241.55 × 198,450.72
4. Step 4: Simplify right side
   359,595.69x = 98,479,492,891.42
5. Step 5: Solve for x
   x = 98,479,492,891.42/359,595.69
6. Step 6: Final answer
   x = 273,861.72