Finding the Fourth Proportional to 17,357.27, 23,953.05 and 9,399.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,357.27 : 23,953.05 = 9,399.50 : x
2. Step 2: Convert to fraction form
   17,357.27/23,953.05 = 9,399.50/x
3. Step 3: Cross multiply
   17,357.27x = 23,953.05 × 9,399.50
4. Step 4: Simplify right side
   17,357.27x = 225,146,753.36
5. Step 5: Solve for x
   x = 225,146,753.36/17,357.27
6. Step 6: Final answer
   x = 12,971.32