Finding the Fourth Proportional to 16,086.92, 24,139.55 and 12,567.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,086.92 : 24,139.55 = 12,567.02 : x
2. Step 2: Convert to fraction form
   16,086.92/24,139.55 = 12,567.02/x
3. Step 3: Cross multiply
   16,086.92x = 24,139.55 × 12,567.02
4. Step 4: Simplify right side
   16,086.92x = 303,362,299.41
5. Step 5: Solve for x
   x = 303,362,299.41/16,086.92
6. Step 6: Final answer
   x = 18,857.71