Finding the Fourth Proportional to 5,640.62, 8,456.34 and 3,786.08

Step by Step Solution

1. Step 1: Write the proportion equation
   5,640.62 : 8,456.34 = 3,786.08 : x
2. Step 2: Convert to fraction form
   5,640.62/8,456.34 = 3,786.08/x
3. Step 3: Cross multiply
   5,640.62x = 8,456.34 × 3,786.08
4. Step 4: Simplify right side
   5,640.62x = 32,016,379.75
5. Step 5: Solve for x
   x = 32,016,379.75/5,640.62
6. Step 6: Final answer
   x = 5,676.04