Finding the Fourth Proportional to 16,808.26, 23,196.74 and 9,638.84

Step by Step Solution

1. Step 1: Write the proportion equation
   16,808.26 : 23,196.74 = 9,638.84 : x
2. Step 2: Convert to fraction form
   16,808.26/23,196.74 = 9,638.84/x
3. Step 3: Cross multiply
   16,808.26x = 23,196.74 × 9,638.84
4. Step 4: Simplify right side
   16,808.26x = 223,589,665.38
5. Step 5: Solve for x
   x = 223,589,665.38/16,808.26
6. Step 6: Final answer
   x = 13,302.37