Finding the Fourth Proportional to 17,358.72, 23,955.10 and 9,400.96

Step by Step Solution

1. Step 1: Write the proportion equation
   17,358.72 : 23,955.10 = 9,400.96 : x
2. Step 2: Convert to fraction form
   17,358.72/23,955.10 = 9,400.96/x
3. Step 3: Cross multiply
   17,358.72x = 23,955.10 × 9,400.96
4. Step 4: Simplify right side
   17,358.72x = 225,200,936.90
5. Step 5: Solve for x
   x = 225,200,936.90/17,358.72
6. Step 6: Final answer
   x = 12,973.36