Finding the Fourth Proportional to 16,788.24, 23,168.91 and 11,113.22

Step by Step Solution

1. Step 1: Write the proportion equation
   16,788.24 : 23,168.91 = 11,113.22 : x
2. Step 2: Convert to fraction form
   16,788.24/23,168.91 = 11,113.22/x
3. Step 3: Cross multiply
   16,788.24x = 23,168.91 × 11,113.22
4. Step 4: Simplify right side
   16,788.24x = 257,481,078.15
5. Step 5: Solve for x
   x = 257,481,078.15/16,788.24
6. Step 6: Final answer
   x = 15,336.99