Finding the Fourth Proportional to 361,749.83, 499,173.50 and 200,564.15

Step by Step Solution

1. Step 1: Write the proportion equation
   361,749.83 : 499,173.50 = 200,564.15 : x
2. Step 2: Convert to fraction form
   361,749.83/499,173.50 = 200,564.15/x
3. Step 3: Cross multiply
   361,749.83x = 499,173.50 × 200,564.15
4. Step 4: Simplify right side
   361,749.83x = 100,116,306,735.57
5. Step 5: Solve for x
   x = 100,116,306,735.57/361,749.83
6. Step 6: Final answer
   x = 276,755.65