Finding the Fourth Proportional to 16,615.39, 22,928.72 and 9,446.09

Step by Step Solution

1. Step 1: Write the proportion equation
   16,615.39 : 22,928.72 = 9,446.09 : x
2. Step 2: Convert to fraction form
   16,615.39/22,928.72 = 9,446.09/x
3. Step 3: Cross multiply
   16,615.39x = 22,928.72 × 9,446.09
4. Step 4: Simplify right side
   16,615.39x = 216,586,752.70
5. Step 5: Solve for x
   x = 216,586,752.70/16,615.39
6. Step 6: Final answer
   x = 13,035.31