Finding the Fourth Proportional to 21,496.10, 29,664.37 and 12,064.46

Step by Step Solution

1. Step 1: Write the proportion equation
   21,496.10 : 29,664.37 = 12,064.46 : x
2. Step 2: Convert to fraction form
   21,496.10/29,664.37 = 12,064.46/x
3. Step 3: Cross multiply
   21,496.10x = 29,664.37 × 12,064.46
4. Step 4: Simplify right side
   21,496.10x = 357,884,605.29
5. Step 5: Solve for x
   x = 357,884,605.29/21,496.10
6. Step 6: Final answer
   x = 16,648.82