Finding the Fourth Proportional to 8,116.44, 12,181.56 and 3,189.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,116.44 : 12,181.56 = 3,189.52 : x
2. Step 2: Convert to fraction form
   8,116.44/12,181.56 = 3,189.52/x
3. Step 3: Cross multiply
   8,116.44x = 12,181.56 × 3,189.52
4. Step 4: Simplify right side
   8,116.44x = 38,853,329.25
5. Step 5: Solve for x
   x = 38,853,329.25/8,116.44
6. Step 6: Final answer
   x = 4,786.99