Finding the Fourth Proportional to 12,196.24, 16,818.24 and 10,433.68

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.24 : 16,818.24 = 10,433.68 : x
2. Step 2: Convert to fraction form
   12,196.24/16,818.24 = 10,433.68/x
3. Step 3: Cross multiply
   12,196.24x = 16,818.24 × 10,433.68
4. Step 4: Simplify right side
   12,196.24x = 175,476,134.32
5. Step 5: Solve for x
   x = 175,476,134.32/12,196.24
6. Step 6: Final answer
   x = 14,387.72