Finding the Fourth Proportional to 21,022.24, 29,006.16 and 12,067.84

Step by Step Solution

1. Step 1: Write the proportion equation
   21,022.24 : 29,006.16 = 12,067.84 : x
2. Step 2: Convert to fraction form
   21,022.24/29,006.16 = 12,067.84/x
3. Step 3: Cross multiply
   21,022.24x = 29,006.16 × 12,067.84
4. Step 4: Simplify right side
   21,022.24x = 350,041,697.89
5. Step 5: Solve for x
   x = 350,041,697.89/21,022.24
6. Step 6: Final answer
   x = 16,651.02