Finding the Fourth Proportional to 411,414.72, 567,804.90 and 230,136.72

Step by Step Solution

1. Step 1: Write the proportion equation
   411,414.72 : 567,804.90 = 230,136.72 : x
2. Step 2: Convert to fraction form
   411,414.72/567,804.90 = 230,136.72/x
3. Step 3: Cross multiply
   411,414.72x = 567,804.90 × 230,136.72
4. Step 4: Simplify right side
   411,414.72x = 130,672,757,285.93
5. Step 5: Solve for x
   x = 130,672,757,285.93/411,414.72
6. Step 6: Final answer
   x = 317,618.09