Finding the Fourth Proportional to 311,404.09, 465,399.62 and 227,341.27

Step by Step Solution

1. Step 1: Write the proportion equation
   311,404.09 : 465,399.62 = 227,341.27 : x
2. Step 2: Convert to fraction form
   311,404.09/465,399.62 = 227,341.27/x
3. Step 3: Cross multiply
   311,404.09x = 465,399.62 × 227,341.27
4. Step 4: Simplify right side
   311,404.09x = 105,804,540,668.32
5. Step 5: Solve for x
   x = 105,804,540,668.32/311,404.09
6. Step 6: Final answer
   x = 339,766.06