Finding the Fourth Proportional to 5,912.10, 8,861.76 and 3,441.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,912.10 : 8,861.76 = 3,441.78 : x
2. Step 2: Convert to fraction form
   5,912.10/8,861.76 = 3,441.78/x
3. Step 3: Cross multiply
   5,912.10x = 8,861.76 × 3,441.78
4. Step 4: Simplify right side
   5,912.10x = 30,500,228.33
5. Step 5: Solve for x
   x = 30,500,228.33/5,912.10
6. Step 6: Final answer
   x = 5,158.95