Finding the Fourth Proportional to 16,958, 23,404.20 and 9,506

Step by Step Solution

1. Step 1: Write the proportion equation
   16,958 : 23,404.20 = 9,506 : x
2. Step 2: Convert to fraction form
   16,958/23,404.20 = 9,506/x
3. Step 3: Cross multiply
   16,958x = 23,404.20 × 9,506
4. Step 4: Simplify right side
   16,958x = 222,480,325.20
5. Step 5: Solve for x
   x = 222,480,325.20/16,958
6. Step 6: Final answer
   x = 13,119.49