Finding the Fourth Proportional to 16,958.43, 23,402.59 and 9,404.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,958.43 : 23,402.59 = 9,404.82 : x
2. Step 2: Convert to fraction form
   16,958.43/23,402.59 = 9,404.82/x
3. Step 3: Cross multiply
   16,958.43x = 23,402.59 × 9,404.82
4. Step 4: Simplify right side
   16,958.43x = 220,097,122.97
5. Step 5: Solve for x
   x = 220,097,122.97/16,958.43
6. Step 6: Final answer
   x = 12,978.63