Finding the Fourth Proportional to 16,808.99, 23,196.23 and 9,255.17

Step by Step Solution

1. Step 1: Write the proportion equation
   16,808.99 : 23,196.23 = 9,255.17 : x
2. Step 2: Convert to fraction form
   16,808.99/23,196.23 = 9,255.17/x
3. Step 3: Cross multiply
   16,808.99x = 23,196.23 × 9,255.17
4. Step 4: Simplify right side
   16,808.99x = 214,685,059.22
5. Step 5: Solve for x
   x = 214,685,059.22/16,808.99
6. Step 6: Final answer
   x = 12,772.04