Finding the Fourth Proportional to 17,375.43, 23,978.22 and 9,417.79

Step by Step Solution

1. Step 1: Write the proportion equation
   17,375.43 : 23,978.22 = 9,417.79 : x
2. Step 2: Convert to fraction form
   17,375.43/23,978.22 = 9,417.79/x
3. Step 3: Cross multiply
   17,375.43x = 23,978.22 × 9,417.79
4. Step 4: Simplify right side
   17,375.43x = 225,821,840.53
5. Step 5: Solve for x
   x = 225,821,840.53/17,375.43
6. Step 6: Final answer
   x = 12,996.62