Finding the Fourth Proportional to 22,038.82, 30,413.89 and 11,967.28

Step by Step Solution

1. Step 1: Write the proportion equation
   22,038.82 : 30,413.89 = 11,967.28 : x
2. Step 2: Convert to fraction form
   22,038.82/30,413.89 = 11,967.28/x
3. Step 3: Cross multiply
   22,038.82x = 30,413.89 × 11,967.28
4. Step 4: Simplify right side
   22,038.82x = 363,971,537.52
5. Step 5: Solve for x
   x = 363,971,537.52/22,038.82
6. Step 6: Final answer
   x = 16,515.02