Finding the Fourth Proportional to 16,424.29, 22,665.52 and 8,870.62

Step by Step Solution

1. Step 1: Write the proportion equation
   16,424.29 : 22,665.52 = 8,870.62 : x
2. Step 2: Convert to fraction form
   16,424.29/22,665.52 = 8,870.62/x
3. Step 3: Cross multiply
   16,424.29x = 22,665.52 × 8,870.62
4. Step 4: Simplify right side
   16,424.29x = 201,057,275.69
5. Step 5: Solve for x
   x = 201,057,275.69/16,424.29
6. Step 6: Final answer
   x = 12,241.46