Finding the Fourth Proportional to 404,821.56, 558,611.34 and 235,022.52

Step by Step Solution

1. Step 1: Write the proportion equation
   404,821.56 : 558,611.34 = 235,022.52 : x
2. Step 2: Convert to fraction form
   404,821.56/558,611.34 = 235,022.52/x
3. Step 3: Cross multiply
   404,821.56x = 558,611.34 × 235,022.52
4. Step 4: Simplify right side
   404,821.56x = 131,286,244,827.38
5. Step 5: Solve for x
   x = 131,286,244,827.38/404,821.56
6. Step 6: Final answer
   x = 324,306.45