Finding the Fourth Proportional to 404,009.59, 557,534.91 and 222,717.52

Step by Step Solution

1. Step 1: Write the proportion equation
   404,009.59 : 557,534.91 = 222,717.52 : x
2. Step 2: Convert to fraction form
   404,009.59/557,534.91 = 222,717.52/x
3. Step 3: Cross multiply
   404,009.59x = 557,534.91 × 222,717.52
4. Step 4: Simplify right side
   404,009.59x = 124,172,792,468.62
5. Step 5: Solve for x
   x = 124,172,792,468.62/404,009.59
6. Step 6: Final answer
   x = 307,351.10