Finding the Fourth Proportional to 16,851.02, 23,245.59 and 13,668.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,851.02 : 23,245.59 = 13,668.02 : x
2. Step 2: Convert to fraction form
   16,851.02/23,245.59 = 13,668.02/x
3. Step 3: Cross multiply
   16,851.02x = 23,245.59 × 13,668.02
4. Step 4: Simplify right side
   16,851.02x = 317,721,211.23
5. Step 5: Solve for x
   x = 317,721,211.23/16,851.02
6. Step 6: Final answer
   x = 18,854.72