Finding the Fourth Proportional to 22,107.86, 30,508.52 and 12,171.86

Step by Step Solution

1. Step 1: Write the proportion equation
   22,107.86 : 30,508.52 = 12,171.86 : x
2. Step 2: Convert to fraction form
   22,107.86/30,508.52 = 12,171.86/x
3. Step 3: Cross multiply
   22,107.86x = 30,508.52 × 12,171.86
4. Step 4: Simplify right side
   22,107.86x = 371,345,434.25
5. Step 5: Solve for x
   x = 371,345,434.25/22,107.86
6. Step 6: Final answer
   x = 16,796.99