Finding the Fourth Proportional to 16,101.22, 22,215.47 and 9,293.57

Step by Step Solution

1. Step 1: Write the proportion equation
   16,101.22 : 22,215.47 = 9,293.57 : x
2. Step 2: Convert to fraction form
   16,101.22/22,215.47 = 9,293.57/x
3. Step 3: Cross multiply
   16,101.22x = 22,215.47 × 9,293.57
4. Step 4: Simplify right side
   16,101.22x = 206,461,104.30
5. Step 5: Solve for x
   x = 206,461,104.30/16,101.22
6. Step 6: Final answer
   x = 12,822.70