Finding the Fourth Proportional to 5,609.05, 8,404.35 and 3,411.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,609.05 : 8,404.35 = 3,411.16 : x
2. Step 2: Convert to fraction form
   5,609.05/8,404.35 = 3,411.16/x
3. Step 3: Cross multiply
   5,609.05x = 8,404.35 × 3,411.16
4. Step 4: Simplify right side
   5,609.05x = 28,668,582.55
5. Step 5: Solve for x
   x = 28,668,582.55/5,609.05
6. Step 6: Final answer
   x = 5,111.13