Finding the Fourth Proportional to 8,771.27, 12,100.40 and 5,414.22

Step by Step Solution

1. Step 1: Write the proportion equation
   8,771.27 : 12,100.40 = 5,414.22 : x
2. Step 2: Convert to fraction form
   8,771.27/12,100.40 = 5,414.22/x
3. Step 3: Cross multiply
   8,771.27x = 12,100.40 × 5,414.22
4. Step 4: Simplify right side
   8,771.27x = 65,514,200.62
5. Step 5: Solve for x
   x = 65,514,200.62/8,771.27
6. Step 6: Final answer
   x = 7,469.18