Finding the Fourth Proportional to 17,380.24, 23,984.71 and 9,422.40

Step by Step Solution

1. Step 1: Write the proportion equation
   17,380.24 : 23,984.71 = 9,422.40 : x
2. Step 2: Convert to fraction form
   17,380.24/23,984.71 = 9,422.40/x
3. Step 3: Cross multiply
   17,380.24x = 23,984.71 × 9,422.40
4. Step 4: Simplify right side
   17,380.24x = 225,993,531.50
5. Step 5: Solve for x
   x = 225,993,531.50/17,380.24
6. Step 6: Final answer
   x = 13,002.90