Finding the Fourth Proportional to 8,470.79, 12,706.55 and 2,627.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,470.79 : 12,706.55 = 2,627.27 : x
2. Step 2: Convert to fraction form
   8,470.79/12,706.55 = 2,627.27/x
3. Step 3: Cross multiply
   8,470.79x = 12,706.55 × 2,627.27
4. Step 4: Simplify right side
   8,470.79x = 33,383,524.48
5. Step 5: Solve for x
   x = 33,383,524.48/8,470.79
6. Step 6: Final answer
   x = 3,941.02