Finding the Fourth Proportional to 8,086.16, 12,135 and 3,470.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,086.16 : 12,135 = 3,470.48 : x
2. Step 2: Convert to fraction form
   8,086.16/12,135 = 3,470.48/x
3. Step 3: Cross multiply
   8,086.16x = 12,135 × 3,470.48
4. Step 4: Simplify right side
   8,086.16x = 42,114,274.80
5. Step 5: Solve for x
   x = 42,114,274.80/8,086.16
6. Step 6: Final answer
   x = 5,208.19