Finding the Fourth Proportional to 404,028.35, 557,562.74 and 222,746.71

Step by Step Solution

1. Step 1: Write the proportion equation
   404,028.35 : 557,562.74 = 222,746.71 : x
2. Step 2: Convert to fraction form
   404,028.35/557,562.74 = 222,746.71/x
3. Step 3: Cross multiply
   404,028.35x = 557,562.74 × 222,746.71
4. Step 4: Simplify right side
   404,028.35x = 124,195,265,744.33
5. Step 5: Solve for x
   x = 124,195,265,744.33/404,028.35
6. Step 6: Final answer
   x = 307,392.45