Finding the Fourth Proportional to 3,414.27, 5,118.21 and 3,109.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,414.27 : 5,118.21 = 3,109.94 : x
2. Step 2: Convert to fraction form
   3,414.27/5,118.21 = 3,109.94/x
3. Step 3: Cross multiply
   3,414.27x = 5,118.21 × 3,109.94
4. Step 4: Simplify right side
   3,414.27x = 15,917,300.42
5. Step 5: Solve for x
   x = 15,917,300.42/3,414.27
6. Step 6: Final answer
   x = 4,661.99