Finding the Fourth Proportional to 16,871.14, 23,282.06 and 9,317.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,871.14 : 23,282.06 = 9,317.96 : x
2. Step 2: Convert to fraction form
   16,871.14/23,282.06 = 9,317.96/x
3. Step 3: Cross multiply
   16,871.14x = 23,282.06 × 9,317.96
4. Step 4: Simplify right side
   16,871.14x = 216,941,303.80
5. Step 5: Solve for x
   x = 216,941,303.80/16,871.14
6. Step 6: Final answer
   x = 12,858.72