Finding the Fourth Proportional to 21,496.44, 29,665.50 and 12,065.06

Step by Step Solution

1. Step 1: Write the proportion equation
   21,496.44 : 29,665.50 = 12,065.06 : x
2. Step 2: Convert to fraction form
   21,496.44/29,665.50 = 12,065.06/x
3. Step 3: Cross multiply
   21,496.44x = 29,665.50 × 12,065.06
4. Step 4: Simplify right side
   21,496.44x = 357,916,037.43
5. Step 5: Solve for x
   x = 357,916,037.43/21,496.44
6. Step 6: Final answer
   x = 16,650.01