Finding the Fourth Proportional to 404,132.12, 557,698.91 and 222,851.69

Step by Step Solution

1. Step 1: Write the proportion equation
   404,132.12 : 557,698.91 = 222,851.69 : x
2. Step 2: Convert to fraction form
   404,132.12/557,698.91 = 222,851.69/x
3. Step 3: Cross multiply
   404,132.12x = 557,698.91 × 222,851.69
4. Step 4: Simplify right side
   404,132.12x = 124,284,142,793.28
5. Step 5: Solve for x
   x = 124,284,142,793.28/404,132.12
6. Step 6: Final answer
   x = 307,533.45