Finding the Fourth Proportional to 16,426.48, 22,817.49 and 16,172.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,426.48 : 22,817.49 = 16,172.10 : x
2. Step 2: Convert to fraction form
   16,426.48/22,817.49 = 16,172.10/x
3. Step 3: Cross multiply
   16,426.48x = 22,817.49 × 16,172.10
4. Step 4: Simplify right side
   16,426.48x = 369,006,730.03
5. Step 5: Solve for x
   x = 369,006,730.03/16,426.48
6. Step 6: Final answer
   x = 22,464.14