Finding the Fourth Proportional to 404,211.82, 557,800.27 and 222,923.64

Step by Step Solution

1. Step 1: Write the proportion equation
   404,211.82 : 557,800.27 = 222,923.64 : x
2. Step 2: Convert to fraction form
   404,211.82/557,800.27 = 222,923.64/x
3. Step 3: Cross multiply
   404,211.82x = 557,800.27 × 222,923.64
4. Step 4: Simplify right side
   404,211.82x = 124,346,869,369.77
5. Step 5: Solve for x
   x = 124,346,869,369.77/404,211.82
6. Step 6: Final answer
   x = 307,627.99