Finding the Fourth Proportional to 17,364.71, 23,963.31 and 9,406.97

Step by Step Solution

1. Step 1: Write the proportion equation
   17,364.71 : 23,963.31 = 9,406.97 : x
2. Step 2: Convert to fraction form
   17,364.71/23,963.31 = 9,406.97/x
3. Step 3: Cross multiply
   17,364.71x = 23,963.31 × 9,406.97
4. Step 4: Simplify right side
   17,364.71x = 225,422,018.45
5. Step 5: Solve for x
   x = 225,422,018.45/17,364.71
6. Step 6: Final answer
   x = 12,981.62