Finding the Fourth Proportional to 404,055.88, 557,622.15 and 222,767.47

Step by Step Solution

1. Step 1: Write the proportion equation
   404,055.88 : 557,622.15 = 222,767.47 : x
2. Step 2: Convert to fraction form
   404,055.88/557,622.15 = 222,767.47/x
3. Step 3: Cross multiply
   404,055.88x = 557,622.15 × 222,767.47
4. Step 4: Simplify right side
   404,055.88x = 124,220,075,571.46
5. Step 5: Solve for x
   x = 124,220,075,571.46/404,055.88
6. Step 6: Final answer
   x = 307,432.91