Finding the Fourth Proportional to 16,831.56, 23,228.06 and 9,662.79

Step by Step Solution

1. Step 1: Write the proportion equation
   16,831.56 : 23,228.06 = 9,662.79 : x
2. Step 2: Convert to fraction form
   16,831.56/23,228.06 = 9,662.79/x
3. Step 3: Cross multiply
   16,831.56x = 23,228.06 × 9,662.79
4. Step 4: Simplify right side
   16,831.56x = 224,447,817.57
5. Step 5: Solve for x
   x = 224,447,817.57/16,831.56
6. Step 6: Final answer
   x = 13,334.94