Finding the Fourth Proportional to 11,166.24, 16,716.78 and 8,367.48

Step by Step Solution

1. Step 1: Write the proportion equation
   11,166.24 : 16,716.78 = 8,367.48 : x
2. Step 2: Convert to fraction form
   11,166.24/16,716.78 = 8,367.48/x
3. Step 3: Cross multiply
   11,166.24x = 16,716.78 × 8,367.48
4. Step 4: Simplify right side
   11,166.24x = 139,877,322.31
5. Step 5: Solve for x
   x = 139,877,322.31/11,166.24
6. Step 6: Final answer
   x = 12,526.81