Finding the Fourth Proportional to 404,152.92, 557,705.25 and 222,866.01

Step by Step Solution

1. Step 1: Write the proportion equation
   404,152.92 : 557,705.25 = 222,866.01 : x
2. Step 2: Convert to fraction form
   404,152.92/557,705.25 = 222,866.01/x
3. Step 3: Cross multiply
   404,152.92x = 557,705.25 × 222,866.01
4. Step 4: Simplify right side
   404,152.92x = 124,293,543,823.55
5. Step 5: Solve for x
   x = 124,293,543,823.55/404,152.92
6. Step 6: Final answer
   x = 307,540.88