Finding the Fourth Proportional to 404,392.42, 558,057.69 and 223,105.82

Step by Step Solution

1. Step 1: Write the proportion equation
   404,392.42 : 558,057.69 = 223,105.82 : x
2. Step 2: Convert to fraction form
   404,392.42/558,057.69 = 223,105.82/x
3. Step 3: Cross multiply
   404,392.42x = 558,057.69 × 223,105.82
4. Step 4: Simplify right side
   404,392.42x = 124,505,915,744.47
5. Step 5: Solve for x
   x = 124,505,915,744.47/404,392.42
6. Step 6: Final answer
   x = 307,883.90