Finding the Fourth Proportional to 16,806.48, 23,196.90 and 9,736.80

Step by Step Solution

1. Step 1: Write the proportion equation
   16,806.48 : 23,196.90 = 9,736.80 : x
2. Step 2: Convert to fraction form
   16,806.48/23,196.90 = 9,736.80/x
3. Step 3: Cross multiply
   16,806.48x = 23,196.90 × 9,736.80
4. Step 4: Simplify right side
   16,806.48x = 225,863,575.92
5. Step 5: Solve for x
   x = 225,863,575.92/16,806.48
6. Step 6: Final answer
   x = 13,439.08