Finding the Fourth Proportional to 411,196.40, 567,137.94 and 353,933.18

Step by Step Solution

1. Step 1: Write the proportion equation
   411,196.40 : 567,137.94 = 353,933.18 : x
2. Step 2: Convert to fraction form
   411,196.40/567,137.94 = 353,933.18/x
3. Step 3: Cross multiply
   411,196.40x = 567,137.94 × 353,933.18
4. Step 4: Simplify right side
   411,196.40x = 200,728,934,602.85
5. Step 5: Solve for x
   x = 200,728,934,602.85/411,196.40
6. Step 6: Final answer
   x = 488,158.30