Finding the Fourth Proportional to 404,162.34, 557,731.18 and 222,881.90

Step by Step Solution

1. Step 1: Write the proportion equation
   404,162.34 : 557,731.18 = 222,881.90 : x
2. Step 2: Convert to fraction form
   404,162.34/557,731.18 = 222,881.90/x
3. Step 3: Cross multiply
   404,162.34x = 557,731.18 × 222,881.90
4. Step 4: Simplify right side
   404,162.34x = 124,308,185,087.64
5. Step 5: Solve for x
   x = 124,308,185,087.64/404,162.34
6. Step 6: Final answer
   x = 307,569.94