Finding the Fourth Proportional to 13,105.60, 18,080.34 and 8,324.27

Step by Step Solution

1. Step 1: Write the proportion equation
   13,105.60 : 18,080.34 = 8,324.27 : x
2. Step 2: Convert to fraction form
   13,105.60/18,080.34 = 8,324.27/x
3. Step 3: Cross multiply
   13,105.60x = 18,080.34 × 8,324.27
4. Step 4: Simplify right side
   13,105.60x = 150,505,601.45
5. Step 5: Solve for x
   x = 150,505,601.45/13,105.60
6. Step 6: Final answer
   x = 11,484.07