Finding the Fourth Proportional to 8,500.29, 12,731.94 and 4,108.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,500.29 : 12,731.94 = 4,108.50 : x
2. Step 2: Convert to fraction form
   8,500.29/12,731.94 = 4,108.50/x
3. Step 3: Cross multiply
   8,500.29x = 12,731.94 × 4,108.50
4. Step 4: Simplify right side
   8,500.29x = 52,309,175.49
5. Step 5: Solve for x
   x = 52,309,175.49/8,500.29
6. Step 6: Final answer
   x = 6,153.81