Finding the Fourth Proportional to 411,401.72, 567,786.96 and 230,123.72

Step by Step Solution

1. Step 1: Write the proportion equation
   411,401.72 : 567,786.96 = 230,123.72 : x
2. Step 2: Convert to fraction form
   411,401.72/567,786.96 = 230,123.72/x
3. Step 3: Cross multiply
   411,401.72x = 567,786.96 × 230,123.72
4. Step 4: Simplify right side
   411,401.72x = 130,661,247,402.69
5. Step 5: Solve for x
   x = 130,661,247,402.69/411,401.72
6. Step 6: Final answer
   x = 317,600.15