Finding the Fourth Proportional to 404,158.86, 557,735.85 and 222,878.34

Step by Step Solution

1. Step 1: Write the proportion equation
   404,158.86 : 557,735.85 = 222,878.34 : x
2. Step 2: Convert to fraction form
   404,158.86/557,735.85 = 222,878.34/x
3. Step 3: Cross multiply
   404,158.86x = 557,735.85 × 222,878.34
4. Step 4: Simplify right side
   404,158.86x = 124,307,240,406.49
5. Step 5: Solve for x
   x = 124,307,240,406.49/404,158.86
6. Step 6: Final answer
   x = 307,570.25