Finding the Fourth Proportional to 16,871.52, 23,282.82 and 9,317.64

Step by Step Solution

1. Step 1: Write the proportion equation
   16,871.52 : 23,282.82 = 9,317.64 : x
2. Step 2: Convert to fraction form
   16,871.52/23,282.82 = 9,317.64/x
3. Step 3: Cross multiply
   16,871.52x = 23,282.82 × 9,317.64
4. Step 4: Simplify right side
   16,871.52x = 216,940,934.94
5. Step 5: Solve for x
   x = 216,940,934.94/16,871.52
6. Step 6: Final answer
   x = 12,858.41