Finding the Fourth Proportional to 404,055.95, 557,594.82 and 222,767.15

Step by Step Solution

1. Step 1: Write the proportion equation
   404,055.95 : 557,594.82 = 222,767.15 : x
2. Step 2: Convert to fraction form
   404,055.95/557,594.82 = 222,767.15/x
3. Step 3: Cross multiply
   404,055.95x = 557,594.82 × 222,767.15
4. Step 4: Simplify right side
   404,055.95x = 124,213,806,118.19
5. Step 5: Solve for x
   x = 124,213,806,118.19/404,055.95
6. Step 6: Final answer
   x = 307,417.35