Finding the Fourth Proportional to 36,540.78, 50,407.69 and 22,196.80

Step by Step Solution

1. Step 1: Write the proportion equation
   36,540.78 : 50,407.69 = 22,196.80 : x
2. Step 2: Convert to fraction form
   36,540.78/50,407.69 = 22,196.80/x
3. Step 3: Cross multiply
   36,540.78x = 50,407.69 × 22,196.80
4. Step 4: Simplify right side
   36,540.78x = 1,118,889,413.39
5. Step 5: Solve for x
   x = 1,118,889,413.39/36,540.78
6. Step 6: Final answer
   x = 30,620.29