Finding the Fourth Proportional to 404,055.39, 557,570.73 and 222,757.41

Step by Step Solution

1. Step 1: Write the proportion equation
   404,055.39 : 557,570.73 = 222,757.41 : x
2. Step 2: Convert to fraction form
   404,055.39/557,570.73 = 222,757.41/x
3. Step 3: Cross multiply
   404,055.39x = 557,570.73 × 222,757.41
4. Step 4: Simplify right side
   404,055.39x = 124,203,011,706.61
5. Step 5: Solve for x
   x = 124,203,011,706.61/404,055.39
6. Step 6: Final answer
   x = 307,391.05