Finding the Fourth Proportional to 22,107.52, 30,508.36 and 12,171.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,107.52 : 30,508.36 = 12,171.52 : x
2. Step 2: Convert to fraction form
   22,107.52/30,508.36 = 12,171.52/x
3. Step 3: Cross multiply
   22,107.52x = 30,508.36 × 12,171.52
4. Step 4: Simplify right side
   22,107.52x = 371,333,113.91
5. Step 5: Solve for x
   x = 371,333,113.91/22,107.52
6. Step 6: Final answer
   x = 16,796.69