Finding the Fourth Proportional to 16,209.09, 24,280.83 and 12,498.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,209.09 : 24,280.83 = 12,498.48 : x
2. Step 2: Convert to fraction form
   16,209.09/24,280.83 = 12,498.48/x
3. Step 3: Cross multiply
   16,209.09x = 24,280.83 × 12,498.48
4. Step 4: Simplify right side
   16,209.09x = 303,473,468.14
5. Step 5: Solve for x
   x = 303,473,468.14/16,209.09
6. Step 6: Final answer
   x = 18,722.42