Finding the Fourth Proportional to 17,357.79, 23,953.63 and 9,399.83

Step by Step Solution

1. Step 1: Write the proportion equation
   17,357.79 : 23,953.63 = 9,399.83 : x
2. Step 2: Convert to fraction form
   17,357.79/23,953.63 = 9,399.83/x
3. Step 3: Cross multiply
   17,357.79x = 23,953.63 × 9,399.83
4. Step 4: Simplify right side
   17,357.79x = 225,160,002.88
5. Step 5: Solve for x
   x = 225,160,002.88/17,357.79
6. Step 6: Final answer
   x = 12,971.70