Finding the Fourth Proportional to 21,584.64, 29,786.61 and 12,024.42

Step by Step Solution

1. Step 1: Write the proportion equation
   21,584.64 : 29,786.61 = 12,024.42 : x
2. Step 2: Convert to fraction form
   21,584.64/29,786.61 = 12,024.42/x
3. Step 3: Cross multiply
   21,584.64x = 29,786.61 × 12,024.42
4. Step 4: Simplify right side
   21,584.64x = 358,166,709.02
5. Step 5: Solve for x
   x = 358,166,709.02/21,584.64
6. Step 6: Final answer
   x = 16,593.59