Finding the Fourth Proportional to 16,127.98, 24,184.20 and 12,609.07

Step by Step Solution

1. Step 1: Write the proportion equation
   16,127.98 : 24,184.20 = 12,609.07 : x
2. Step 2: Convert to fraction form
   16,127.98/24,184.20 = 12,609.07/x
3. Step 3: Cross multiply
   16,127.98x = 24,184.20 × 12,609.07
4. Step 4: Simplify right side
   16,127.98x = 304,940,270.69
5. Step 5: Solve for x
   x = 304,940,270.69/16,127.98
6. Step 6: Final answer
   x = 18,907.53