Finding the Fourth Proportional to 22,196.71, 33,290.56 and 8,151.91

Step by Step Solution

1. Step 1: Write the proportion equation
   22,196.71 : 33,290.56 = 8,151.91 : x
2. Step 2: Convert to fraction form
   22,196.71/33,290.56 = 8,151.91/x
3. Step 3: Cross multiply
   22,196.71x = 33,290.56 × 8,151.91
4. Step 4: Simplify right side
   22,196.71x = 271,381,648.97
5. Step 5: Solve for x
   x = 271,381,648.97/22,196.71
6. Step 6: Final answer
   x = 12,226.21