Finding the Fourth Proportional to 23,427.38, 32,329.71 and 12,816.92

Step by Step Solution

1. Step 1: Write the proportion equation
   23,427.38 : 32,329.71 = 12,816.92 : x
2. Step 2: Convert to fraction form
   23,427.38/32,329.71 = 12,816.92/x
3. Step 3: Cross multiply
   23,427.38x = 32,329.71 × 12,816.92
4. Step 4: Simplify right side
   23,427.38x = 414,367,306.69
5. Step 5: Solve for x
   x = 414,367,306.69/23,427.38
6. Step 6: Final answer
   x = 17,687.31