Finding the Fourth Proportional to 16,809.02, 23,196.24 and 9,255.19

Step by Step Solution

1. Step 1: Write the proportion equation
   16,809.02 : 23,196.24 = 9,255.19 : x
2. Step 2: Convert to fraction form
   16,809.02/23,196.24 = 9,255.19/x
3. Step 3: Cross multiply
   16,809.02x = 23,196.24 × 9,255.19
4. Step 4: Simplify right side
   16,809.02x = 214,685,608.49
5. Step 5: Solve for x
   x = 214,685,608.49/16,809.02
6. Step 6: Final answer
   x = 12,772.05