Finding the Fourth Proportional to 12,039.50, 18,062.85 and 5,114.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,039.50 : 18,062.85 = 5,114.54 : x
2. Step 2: Convert to fraction form
   12,039.50/18,062.85 = 5,114.54/x
3. Step 3: Cross multiply
   12,039.50x = 18,062.85 × 5,114.54
4. Step 4: Simplify right side
   12,039.50x = 92,383,168.84
5. Step 5: Solve for x
   x = 92,383,168.84/12,039.50
6. Step 6: Final answer
   x = 7,673.34