Finding the Fourth Proportional to 8,111.18, 12,165.60 and 2,563.04

Step by Step Solution

1. Step 1: Write the proportion equation
   8,111.18 : 12,165.60 = 2,563.04 : x
2. Step 2: Convert to fraction form
   8,111.18/12,165.60 = 2,563.04/x
3. Step 3: Cross multiply
   8,111.18x = 12,165.60 × 2,563.04
4. Step 4: Simplify right side
   8,111.18x = 31,180,919.42
5. Step 5: Solve for x
   x = 31,180,919.42/8,111.18
6. Step 6: Final answer
   x = 3,844.19