Finding the Fourth Proportional to 16,956.88, 23,400.42 and 9,504.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,956.88 : 23,400.42 = 9,504.88 : x
2. Step 2: Convert to fraction form
   16,956.88/23,400.42 = 9,504.88/x
3. Step 3: Cross multiply
   16,956.88x = 23,400.42 × 9,504.88
4. Step 4: Simplify right side
   16,956.88x = 222,418,184.05
5. Step 5: Solve for x
   x = 222,418,184.05/16,956.88
6. Step 6: Final answer
   x = 13,116.69