Finding the Fourth Proportional to 16,260.72, 22,413.84 and 13,271.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,260.72 : 22,413.84 = 13,271.42 : x
2. Step 2: Convert to fraction form
   16,260.72/22,413.84 = 13,271.42/x
3. Step 3: Cross multiply
   16,260.72x = 22,413.84 × 13,271.42
4. Step 4: Simplify right side
   16,260.72x = 297,463,484.45
5. Step 5: Solve for x
   x = 297,463,484.45/16,260.72
6. Step 6: Final answer
   x = 18,293.38