Finding the Fourth Proportional to 22,146.16, 33,214.61 and 8,112.91

Step by Step Solution

1. Step 1: Write the proportion equation
   22,146.16 : 33,214.61 = 8,112.91 : x
2. Step 2: Convert to fraction form
   22,146.16/33,214.61 = 8,112.91/x
3. Step 3: Cross multiply
   22,146.16x = 33,214.61 × 8,112.91
4. Step 4: Simplify right side
   22,146.16x = 269,467,095.50
5. Step 5: Solve for x
   x = 269,467,095.50/22,146.16
6. Step 6: Final answer
   x = 12,167.67