Finding the Fourth Proportional to 16,912.81, 23,342.58 and 9,843.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,912.81 : 23,342.58 = 9,843.34 : x
2. Step 2: Convert to fraction form
   16,912.81/23,342.58 = 9,843.34/x
3. Step 3: Cross multiply
   16,912.81x = 23,342.58 × 9,843.34
4. Step 4: Simplify right side
   16,912.81x = 229,768,951.42
5. Step 5: Solve for x
   x = 229,768,951.42/16,912.81
6. Step 6: Final answer
   x = 13,585.50