Finding the Fourth Proportional to 16,016.64, 24,021.09 and 7,127.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,016.64 : 24,021.09 = 7,127.16 : x
2. Step 2: Convert to fraction form
   16,016.64/24,021.09 = 7,127.16/x
3. Step 3: Cross multiply
   16,016.64x = 24,021.09 × 7,127.16
4. Step 4: Simplify right side
   16,016.64x = 171,202,151.80
5. Step 5: Solve for x
   x = 171,202,151.80/16,016.64
6. Step 6: Final answer
   x = 10,689.02