Finding the Fourth Proportional to 404,179.55, 557,760.02 and 222,908.23

Step by Step Solution

1. Step 1: Write the proportion equation
   404,179.55 : 557,760.02 = 222,908.23 : x
2. Step 2: Convert to fraction form
   404,179.55/557,760.02 = 222,908.23/x
3. Step 3: Cross multiply
   404,179.55x = 557,760.02 × 222,908.23
4. Step 4: Simplify right side
   404,179.55x = 124,329,300,078.66
5. Step 5: Solve for x
   x = 124,329,300,078.66/404,179.55
6. Step 6: Final answer
   x = 307,609.08