Finding the Fourth Proportional to 8,336.72, 12,504.94 and 2,180.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,336.72 : 12,504.94 = 2,180.72 : x
2. Step 2: Convert to fraction form
   8,336.72/12,504.94 = 2,180.72/x
3. Step 3: Cross multiply
   8,336.72x = 12,504.94 × 2,180.72
4. Step 4: Simplify right side
   8,336.72x = 27,269,772.76
5. Step 5: Solve for x
   x = 27,269,772.76/8,336.72
6. Step 6: Final answer
   x = 3,271.04