Finding the Fourth Proportional to 21,096.01, 29,111.56 and 11,664.37

Step by Step Solution

1. Step 1: Write the proportion equation
   21,096.01 : 29,111.56 = 11,664.37 : x
2. Step 2: Convert to fraction form
   21,096.01/29,111.56 = 11,664.37/x
3. Step 3: Cross multiply
   21,096.01x = 29,111.56 × 11,664.37
4. Step 4: Simplify right side
   21,096.01x = 339,568,007.12
5. Step 5: Solve for x
   x = 339,568,007.12/21,096.01
6. Step 6: Final answer
   x = 16,096.31