Finding the Fourth Proportional to 5,861.62, 8,089.46 and 3,868.71

Step by Step Solution

1. Step 1: Write the proportion equation
   5,861.62 : 8,089.46 = 3,868.71 : x
2. Step 2: Convert to fraction form
   5,861.62/8,089.46 = 3,868.71/x
3. Step 3: Cross multiply
   5,861.62x = 8,089.46 × 3,868.71
4. Step 4: Simplify right side
   5,861.62x = 31,295,774.80
5. Step 5: Solve for x
   x = 31,295,774.80/5,861.62
6. Step 6: Final answer
   x = 5,339.10