Finding the Fourth Proportional to 16,160.81, 22,301.91 and 9,087.27

Step by Step Solution

1. Step 1: Write the proportion equation
   16,160.81 : 22,301.91 = 9,087.27 : x
2. Step 2: Convert to fraction form
   16,160.81/22,301.91 = 9,087.27/x
3. Step 3: Cross multiply
   16,160.81x = 22,301.91 × 9,087.27
4. Step 4: Simplify right side
   16,160.81x = 202,663,477.69
5. Step 5: Solve for x
   x = 202,663,477.69/16,160.81
6. Step 6: Final answer
   x = 12,540.43