Finding the Fourth Proportional to 2,834.78, 3,912.05 and 1,715.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,834.78 : 3,912.05 = 1,715.49 : x
2. Step 2: Convert to fraction form
   2,834.78/3,912.05 = 1,715.49/x
3. Step 3: Cross multiply
   2,834.78x = 3,912.05 × 1,715.49
4. Step 4: Simplify right side
   2,834.78x = 6,711,086.94
5. Step 5: Solve for x
   x = 6,711,086.94/2,834.78
6. Step 6: Final answer
   x = 2,367.41