Finding the Fourth Proportional to 404,827.35, 558,711 and 235,061.47

Step by Step Solution

1. Step 1: Write the proportion equation
   404,827.35 : 558,711 = 235,061.47 : x
2. Step 2: Convert to fraction form
   404,827.35/558,711 = 235,061.47/x
3. Step 3: Cross multiply
   404,827.35x = 558,711 × 235,061.47
4. Step 4: Simplify right side
   404,827.35x = 131,331,428,965.17
5. Step 5: Solve for x
   x = 131,331,428,965.17/404,827.35
6. Step 6: Final answer
   x = 324,413.43