Finding the Fourth Proportional to 16,621.47, 22,936.03 and 9,168.99

Step by Step Solution

1. Step 1: Write the proportion equation
   16,621.47 : 22,936.03 = 9,168.99 : x
2. Step 2: Convert to fraction form
   16,621.47/22,936.03 = 9,168.99/x
3. Step 3: Cross multiply
   16,621.47x = 22,936.03 × 9,168.99
4. Step 4: Simplify right side
   16,621.47x = 210,300,229.71
5. Step 5: Solve for x
   x = 210,300,229.71/16,621.47
6. Step 6: Final answer
   x = 12,652.32