Finding the Fourth Proportional to 8,111.50, 12,168.03 and 3,730.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,111.50 : 12,168.03 = 3,730.18 : x
2. Step 2: Convert to fraction form
   8,111.50/12,168.03 = 3,730.18/x
3. Step 3: Cross multiply
   8,111.50x = 12,168.03 × 3,730.18
4. Step 4: Simplify right side
   8,111.50x = 45,388,942.15
5. Step 5: Solve for x
   x = 45,388,942.15/8,111.50
6. Step 6: Final answer
   x = 5,595.63