Finding the Fourth Proportional to 437,426.50, 603,648.60 and 236,222.50

Step by Step Solution

1. Step 1: Write the proportion equation
   437,426.50 : 603,648.60 = 236,222.50 : x
2. Step 2: Convert to fraction form
   437,426.50/603,648.60 = 236,222.50/x
3. Step 3: Cross multiply
   437,426.50x = 603,648.60 × 236,222.50
4. Step 4: Simplify right side
   437,426.50x = 142,595,381,413.50
5. Step 5: Solve for x
   x = 142,595,381,413.50/437,426.50
6. Step 6: Final answer
   x = 325,987.07