Finding the Fourth Proportional to 404,171.48, 557,789.86 and 222,918.86

Step by Step Solution

1. Step 1: Write the proportion equation
   404,171.48 : 557,789.86 = 222,918.86 : x
2. Step 2: Convert to fraction form
   404,171.48/557,789.86 = 222,918.86/x
3. Step 3: Cross multiply
   404,171.48x = 557,789.86 × 222,918.86
4. Step 4: Simplify right side
   404,171.48x = 124,341,881,383.88
5. Step 5: Solve for x
   x = 124,341,881,383.88/404,171.48
6. Step 6: Final answer
   x = 307,646.35