Finding the Fourth Proportional to 16,713.55, 23,067.01 and 9,639.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,713.55 : 23,067.01 = 9,639.82 : x
2. Step 2: Convert to fraction form
   16,713.55/23,067.01 = 9,639.82/x
3. Step 3: Cross multiply
   16,713.55x = 23,067.01 × 9,639.82
4. Step 4: Simplify right side
   16,713.55x = 222,361,824.34
5. Step 5: Solve for x
   x = 222,361,824.34/16,713.55
6. Step 6: Final answer
   x = 13,304.28