Finding the Fourth Proportional to 23,144.11, 31,939.46 and 14,196.55

Step by Step Solution

1. Step 1: Write the proportion equation
   23,144.11 : 31,939.46 = 14,196.55 : x
2. Step 2: Convert to fraction form
   23,144.11/31,939.46 = 14,196.55/x
3. Step 3: Cross multiply
   23,144.11x = 31,939.46 × 14,196.55
4. Step 4: Simplify right side
   23,144.11x = 453,429,990.03
5. Step 5: Solve for x
   x = 453,429,990.03/23,144.11
6. Step 6: Final answer
   x = 19,591.59