Finding the Fourth Proportional to 404,046.42, 557,557.83 and 222,759.87

Step by Step Solution

1. Step 1: Write the proportion equation
   404,046.42 : 557,557.83 = 222,759.87 : x
2. Step 2: Convert to fraction form
   404,046.42/557,557.83 = 222,759.87/x
3. Step 3: Cross multiply
   404,046.42x = 557,557.83 × 222,759.87
4. Step 4: Simplify right side
   404,046.42x = 124,201,509,728.28
5. Step 5: Solve for x
   x = 124,201,509,728.28/404,046.42
6. Step 6: Final answer
   x = 307,394.16