Finding the Fourth Proportional to 5,418.38, 8,116.23 and 3,460.62

Step by Step Solution

1. Step 1: Write the proportion equation
   5,418.38 : 8,116.23 = 3,460.62 : x
2. Step 2: Convert to fraction form
   5,418.38/8,116.23 = 3,460.62/x
3. Step 3: Cross multiply
   5,418.38x = 8,116.23 × 3,460.62
4. Step 4: Simplify right side
   5,418.38x = 28,087,187.86
5. Step 5: Solve for x
   x = 28,087,187.86/5,418.38
6. Step 6: Final answer
   x = 5,183.69