Finding the Fourth Proportional to 8,071.82, 12,107.72 and 2,228.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,071.82 : 12,107.72 = 2,228.42 : x
2. Step 2: Convert to fraction form
   8,071.82/12,107.72 = 2,228.42/x
3. Step 3: Cross multiply
   8,071.82x = 12,107.72 × 2,228.42
4. Step 4: Simplify right side
   8,071.82x = 26,981,085.40
5. Step 5: Solve for x
   x = 26,981,085.40/8,071.82
6. Step 6: Final answer
   x = 3,342.63