Finding the Fourth Proportional to 17,357.33, 23,953.11 and 9,399.57

Step by Step Solution

1. Step 1: Write the proportion equation
   17,357.33 : 23,953.11 = 9,399.57 : x
2. Step 2: Convert to fraction form
   17,357.33/23,953.11 = 9,399.57/x
3. Step 3: Cross multiply
   17,357.33x = 23,953.11 × 9,399.57
4. Step 4: Simplify right side
   17,357.33x = 225,148,934.16
5. Step 5: Solve for x
   x = 225,148,934.16/17,357.33
6. Step 6: Final answer
   x = 12,971.41