Finding the Fourth Proportional to 5,676.62, 8,500.35 and 3,478.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,676.62 : 8,500.35 = 3,478.69 : x
2. Step 2: Convert to fraction form
   5,676.62/8,500.35 = 3,478.69/x
3. Step 3: Cross multiply
   5,676.62x = 8,500.35 × 3,478.69
4. Step 4: Simplify right side
   5,676.62x = 29,570,040.04
5. Step 5: Solve for x
   x = 29,570,040.04/5,676.62
6. Step 6: Final answer
   x = 5,209.09