Finding the Fourth Proportional to 404,682.99, 558,433.89 and 223,365.84

Step by Step Solution

1. Step 1: Write the proportion equation
   404,682.99 : 558,433.89 = 223,365.84 : x
2. Step 2: Convert to fraction form
   404,682.99/558,433.89 = 223,365.84/x
3. Step 3: Cross multiply
   404,682.99x = 558,433.89 × 223,365.84
4. Step 4: Simplify right side
   404,682.99x = 124,735,054,924.32
5. Step 5: Solve for x
   x = 124,735,054,924.32/404,682.99
6. Step 6: Final answer
   x = 308,229.05