Finding the Fourth Proportional to 13,180.54, 18,162.22 and 9,395.67

Step by Step Solution

1. Step 1: Write the proportion equation
   13,180.54 : 18,162.22 = 9,395.67 : x
2. Step 2: Convert to fraction form
   13,180.54/18,162.22 = 9,395.67/x
3. Step 3: Cross multiply
   13,180.54x = 18,162.22 × 9,395.67
4. Step 4: Simplify right side
   13,180.54x = 170,646,225.59
5. Step 5: Solve for x
   x = 170,646,225.59/13,180.54
6. Step 6: Final answer
   x = 12,946.83