Finding the Fourth Proportional to 16,958.79, 23,401.98 and 9,404.84

Step by Step Solution

1. Step 1: Write the proportion equation
   16,958.79 : 23,401.98 = 9,404.84 : x
2. Step 2: Convert to fraction form
   16,958.79/23,401.98 = 9,404.84/x
3. Step 3: Cross multiply
   16,958.79x = 23,401.98 × 9,404.84
4. Step 4: Simplify right side
   16,958.79x = 220,091,936.09
5. Step 5: Solve for x
   x = 220,091,936.09/16,958.79
6. Step 6: Final answer
   x = 12,978.04