Finding the Fourth Proportional to 16,166.16, 24,271.92 and 13,217.76

Step by Step Solution

1. Step 1: Write the proportion equation
   16,166.16 : 24,271.92 = 13,217.76 : x
2. Step 2: Convert to fraction form
   16,166.16/24,271.92 = 13,217.76/x
3. Step 3: Cross multiply
   16,166.16x = 24,271.92 × 13,217.76
4. Step 4: Simplify right side
   16,166.16x = 320,820,413.30
5. Step 5: Solve for x
   x = 320,820,413.30/16,166.16
6. Step 6: Final answer
   x = 19,845.18