Finding the Fourth Proportional to 16,039.50, 22,133.62 and 8,868.99

Step by Step Solution

1. Step 1: Write the proportion equation
   16,039.50 : 22,133.62 = 8,868.99 : x
2. Step 2: Convert to fraction form
   16,039.50/22,133.62 = 8,868.99/x
3. Step 3: Cross multiply
   16,039.50x = 22,133.62 × 8,868.99
4. Step 4: Simplify right side
   16,039.50x = 196,302,810.10
5. Step 5: Solve for x
   x = 196,302,810.10/16,039.50
6. Step 6: Final answer
   x = 12,238.72