Finding the Fourth Proportional to 359,725, 496,420.50 and 200,749

Step by Step Solution

1. Step 1: Write the proportion equation
   359,725 : 496,420.50 = 200,749 : x
2. Step 2: Convert to fraction form
   359,725/496,420.50 = 200,749/x
3. Step 3: Cross multiply
   359,725x = 496,420.50 × 200,749
4. Step 4: Simplify right side
   359,725x = 99,655,918,954.50
5. Step 5: Solve for x
   x = 99,655,918,954.50/359,725
6. Step 6: Final answer
   x = 277,033.62