Finding the Fourth Proportional to 16,868.40, 23,268.72 and 9,793.92

Step by Step Solution

1. Step 1: Write the proportion equation
   16,868.40 : 23,268.72 = 9,793.92 : x
2. Step 2: Convert to fraction form
   16,868.40/23,268.72 = 9,793.92/x
3. Step 3: Cross multiply
   16,868.40x = 23,268.72 × 9,793.92
4. Step 4: Simplify right side
   16,868.40x = 227,891,982.18
5. Step 5: Solve for x
   x = 227,891,982.18/16,868.40
6. Step 6: Final answer
   x = 13,509.99