Finding the Fourth Proportional to 17,356.86, 23,952.47 and 9,399.08

Step by Step Solution

1. Step 1: Write the proportion equation
   17,356.86 : 23,952.47 = 9,399.08 : x
2. Step 2: Convert to fraction form
   17,356.86/23,952.47 = 9,399.08/x
3. Step 3: Cross multiply
   17,356.86x = 23,952.47 × 9,399.08
4. Step 4: Simplify right side
   17,356.86x = 225,131,194.61
5. Step 5: Solve for x
   x = 225,131,194.61/17,356.86
6. Step 6: Final answer
   x = 12,970.73