Finding the Fourth Proportional to 404,769.20, 558,630.71 and 235,003.32

Step by Step Solution

1. Step 1: Write the proportion equation
   404,769.20 : 558,630.71 = 235,003.32 : x
2. Step 2: Convert to fraction form
   404,769.20/558,630.71 = 235,003.32/x
3. Step 3: Cross multiply
   404,769.20x = 558,630.71 × 235,003.32
4. Step 4: Simplify right side
   404,769.20x = 131,280,070,328.94
5. Step 5: Solve for x
   x = 131,280,070,328.94/404,769.20
6. Step 6: Final answer
   x = 324,333.16