Finding the Fourth Proportional to 16,419.16, 22,665.90 and 10,459

Step by Step Solution

1. Step 1: Write the proportion equation
   16,419.16 : 22,665.90 = 10,459 : x
2. Step 2: Convert to fraction form
   16,419.16/22,665.90 = 10,459/x
3. Step 3: Cross multiply
   16,419.16x = 22,665.90 × 10,459
4. Step 4: Simplify right side
   16,419.16x = 237,062,648.10
5. Step 5: Solve for x
   x = 237,062,648.10/16,419.16
6. Step 6: Final answer
   x = 14,438.17