Finding the Fourth Proportional to 16,857, 23,262.04 and 9,303.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,857 : 23,262.04 = 9,303.48 : x
2. Step 2: Convert to fraction form
   16,857/23,262.04 = 9,303.48/x
3. Step 3: Cross multiply
   16,857x = 23,262.04 × 9,303.48
4. Step 4: Simplify right side
   16,857x = 216,417,923.90
5. Step 5: Solve for x
   x = 216,417,923.90/16,857
6. Step 6: Final answer
   x = 12,838.46