Finding the Fourth Proportional to 404,747.89, 558,540.97 and 223,456.52

Step by Step Solution

1. Step 1: Write the proportion equation
   404,747.89 : 558,540.97 = 223,456.52 : x
2. Step 2: Convert to fraction form
   404,747.89/558,540.97 = 223,456.52/x
3. Step 3: Cross multiply
   404,747.89x = 558,540.97 × 223,456.52
4. Step 4: Simplify right side
   404,747.89x = 124,809,622,271.34
5. Step 5: Solve for x
   x = 124,809,622,271.34/404,747.89
6. Step 6: Final answer
   x = 308,363.86