Finding the Fourth Proportional to 17,379.92, 23,984.43 and 9,422.15

Step by Step Solution

1. Step 1: Write the proportion equation
   17,379.92 : 23,984.43 = 9,422.15 : x
2. Step 2: Convert to fraction form
   17,379.92/23,984.43 = 9,422.15/x
3. Step 3: Cross multiply
   17,379.92x = 23,984.43 × 9,422.15
4. Step 4: Simplify right side
   17,379.92x = 225,984,897.12
5. Step 5: Solve for x
   x = 225,984,897.12/17,379.92
6. Step 6: Final answer
   x = 13,002.64