Finding the Fourth Proportional to 16,956.94, 23,399.31 and 9,503.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,956.94 : 23,399.31 = 9,503.50 : x
2. Step 2: Convert to fraction form
   16,956.94/23,399.31 = 9,503.50/x
3. Step 3: Cross multiply
   16,956.94x = 23,399.31 × 9,503.50
4. Step 4: Simplify right side
   16,956.94x = 222,375,342.59
5. Step 5: Solve for x
   x = 222,375,342.59/16,956.94
6. Step 6: Final answer
   x = 13,114.12