Finding the Fourth Proportional to 8,103.89, 11,168.10 and 5,861.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,103.89 : 11,168.10 = 5,861.96 : x
2. Step 2: Convert to fraction form
   8,103.89/11,168.10 = 5,861.96/x
3. Step 3: Cross multiply
   8,103.89x = 11,168.10 × 5,861.96
4. Step 4: Simplify right side
   8,103.89x = 65,466,983.40
5. Step 5: Solve for x
   x = 65,466,983.40/8,103.89
6. Step 6: Final answer
   x = 8,078.47