Finding the Fourth Proportional to 8,311.56, 12,468.69 and 2,763.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,311.56 : 12,468.69 = 2,763.96 : x
2. Step 2: Convert to fraction form
   8,311.56/12,468.69 = 2,763.96/x
3. Step 3: Cross multiply
   8,311.56x = 12,468.69 × 2,763.96
4. Step 4: Simplify right side
   8,311.56x = 34,462,960.41
5. Step 5: Solve for x
   x = 34,462,960.41/8,311.56
6. Step 6: Final answer
   x = 4,146.39