Finding the Fourth Proportional to 17,357.00, 23,952.54 and 9,399.21

Step by Step Solution

1. Step 1: Write the proportion equation
   17,357.00 : 23,952.54 = 9,399.21 : x
2. Step 2: Convert to fraction form
   17,357.00/23,952.54 = 9,399.21/x
3. Step 3: Cross multiply
   17,357.00x = 23,952.54 × 9,399.21
4. Step 4: Simplify right side
   17,357.00x = 225,134,898.92
5. Step 5: Solve for x
   x = 225,134,898.92/17,357.00
6. Step 6: Final answer
   x = 12,970.85