Finding the Fourth Proportional to 12,951.92, 19,405.56 and 10,196.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,951.92 : 19,405.56 = 10,196.24 : x
2. Step 2: Convert to fraction form
   12,951.92/19,405.56 = 10,196.24/x
3. Step 3: Cross multiply
   12,951.92x = 19,405.56 × 10,196.24
4. Step 4: Simplify right side
   12,951.92x = 197,863,747.09
5. Step 5: Solve for x
   x = 197,863,747.09/12,951.92
6. Step 6: Final answer
   x = 15,276.79