Finding the Fourth Proportional to 8,109.27, 12,162.85 and 2,563.17

Step by Step Solution

1. Step 1: Write the proportion equation
   8,109.27 : 12,162.85 = 2,563.17 : x
2. Step 2: Convert to fraction form
   8,109.27/12,162.85 = 2,563.17/x
3. Step 3: Cross multiply
   8,109.27x = 12,162.85 × 2,563.17
4. Step 4: Simplify right side
   8,109.27x = 31,175,483.05
5. Step 5: Solve for x
   x = 31,175,483.05/8,109.27
6. Step 6: Final answer
   x = 3,844.43