Finding the Fourth Proportional to 16,410.16, 22,647 and 12,424.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,410.16 : 22,647 = 12,424.96 : x
2. Step 2: Convert to fraction form
   16,410.16/22,647 = 12,424.96/x
3. Step 3: Cross multiply
   16,410.16x = 22,647 × 12,424.96
4. Step 4: Simplify right side
   16,410.16x = 281,388,069.12
5. Step 5: Solve for x
   x = 281,388,069.12/16,410.16
6. Step 6: Final answer
   x = 17,147.19