Finding the Fourth Proportional to 12,024.36, 18,039.86 and 5,007.67

Step by Step Solution

1. Step 1: Write the proportion equation
   12,024.36 : 18,039.86 = 5,007.67 : x
2. Step 2: Convert to fraction form
   12,024.36/18,039.86 = 5,007.67/x
3. Step 3: Cross multiply
   12,024.36x = 18,039.86 × 5,007.67
4. Step 4: Simplify right side
   12,024.36x = 90,337,665.73
5. Step 5: Solve for x
   x = 90,337,665.73/12,024.36
6. Step 6: Final answer
   x = 7,512.89