Finding the Fourth Proportional to 8,414.82, 12,622.59 and 3,149.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,414.82 : 12,622.59 = 3,149.34 : x
2. Step 2: Convert to fraction form
   8,414.82/12,622.59 = 3,149.34/x
3. Step 3: Cross multiply
   8,414.82x = 12,622.59 × 3,149.34
4. Step 4: Simplify right side
   8,414.82x = 39,752,827.59
5. Step 5: Solve for x
   x = 39,752,827.59/8,414.82
6. Step 6: Final answer
   x = 4,724.14