Finding the Fourth Proportional to 8,196.42, 12,286.32 and 3,519.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,196.42 : 12,286.32 = 3,519.48 : x
2. Step 2: Convert to fraction form
   8,196.42/12,286.32 = 3,519.48/x
3. Step 3: Cross multiply
   8,196.42x = 12,286.32 × 3,519.48
4. Step 4: Simplify right side
   8,196.42x = 43,241,457.51
5. Step 5: Solve for x
   x = 43,241,457.51/8,196.42
6. Step 6: Final answer
   x = 5,275.65