Finding the Fourth Proportional to 16,839.96, 23,241.24 and 9,672.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,839.96 : 23,241.24 = 9,672.12 : x
2. Step 2: Convert to fraction form
   16,839.96/23,241.24 = 9,672.12/x
3. Step 3: Cross multiply
   16,839.96x = 23,241.24 × 9,672.12
4. Step 4: Simplify right side
   16,839.96x = 224,792,062.23
5. Step 5: Solve for x
   x = 224,792,062.23/16,839.96
6. Step 6: Final answer
   x = 13,348.73