Finding the Fourth Proportional to 2,882.43, 4,316.72 and 2,861.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,882.43 : 4,316.72 = 2,861.71 : x
2. Step 2: Convert to fraction form
   2,882.43/4,316.72 = 2,861.71/x
3. Step 3: Cross multiply
   2,882.43x = 4,316.72 × 2,861.71
4. Step 4: Simplify right side
   2,882.43x = 12,353,175.69
5. Step 5: Solve for x
   x = 12,353,175.69/2,882.43
6. Step 6: Final answer
   x = 4,285.68