Finding the Fourth Proportional to 16,433.56, 22,672.62 and 9,358.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,433.56 : 22,672.62 = 9,358.18 : x
2. Step 2: Convert to fraction form
   16,433.56/22,672.62 = 9,358.18/x
3. Step 3: Cross multiply
   16,433.56x = 22,672.62 × 9,358.18
4. Step 4: Simplify right side
   16,433.56x = 212,174,459.03
5. Step 5: Solve for x
   x = 212,174,459.03/16,433.56
6. Step 6: Final answer
   x = 12,911.05