Finding the Fourth Proportional to 8,604.06, 12,908.31 and 2,760.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,604.06 : 12,908.31 = 2,760.72 : x
2. Step 2: Convert to fraction form
   8,604.06/12,908.31 = 2,760.72/x
3. Step 3: Cross multiply
   8,604.06x = 12,908.31 × 2,760.72
4. Step 4: Simplify right side
   8,604.06x = 35,636,229.58
5. Step 5: Solve for x
   x = 35,636,229.58/8,604.06
6. Step 6: Final answer
   x = 4,141.79