Finding the Fourth Proportional to 22,131.39, 33,167.52 and 8,078.21

Step by Step Solution

1. Step 1: Write the proportion equation
   22,131.39 : 33,167.52 = 8,078.21 : x
2. Step 2: Convert to fraction form
   22,131.39/33,167.52 = 8,078.21/x
3. Step 3: Cross multiply
   22,131.39x = 33,167.52 × 8,078.21
4. Step 4: Simplify right side
   22,131.39x = 267,934,025.90
5. Step 5: Solve for x
   x = 267,934,025.90/22,131.39
6. Step 6: Final answer
   x = 12,106.52