Finding the Fourth Proportional to 6,861.62, 10,284.22 and 3,160.12

Step by Step Solution

1. Step 1: Write the proportion equation
   6,861.62 : 10,284.22 = 3,160.12 : x
2. Step 2: Convert to fraction form
   6,861.62/10,284.22 = 3,160.12/x
3. Step 3: Cross multiply
   6,861.62x = 10,284.22 × 3,160.12
4. Step 4: Simplify right side
   6,861.62x = 32,499,369.31
5. Step 5: Solve for x
   x = 32,499,369.31/6,861.62
6. Step 6: Final answer
   x = 4,736.40