Finding the Fourth Proportional to 13,377.96, 18,453.83 and 8,662.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,377.96 : 18,453.83 = 8,662.34 : x
2. Step 2: Convert to fraction form
   13,377.96/18,453.83 = 8,662.34/x
3. Step 3: Cross multiply
   13,377.96x = 18,453.83 × 8,662.34
4. Step 4: Simplify right side
   13,377.96x = 159,853,352.59
5. Step 5: Solve for x
   x = 159,853,352.59/13,377.96
6. Step 6: Final answer
   x = 11,949.01