Finding the Fourth Proportional to 23,144.10, 31,939.47 and 14,196.54

Step by Step Solution

1. Step 1: Write the proportion equation
   23,144.10 : 31,939.47 = 14,196.54 : x
2. Step 2: Convert to fraction form
   23,144.10/31,939.47 = 14,196.54/x
3. Step 3: Cross multiply
   23,144.10x = 31,939.47 × 14,196.54
4. Step 4: Simplify right side
   23,144.10x = 453,429,963.43
5. Step 5: Solve for x
   x = 453,429,963.43/23,144.10
6. Step 6: Final answer
   x = 19,591.60