Finding the Fourth Proportional to 2,082.42, 2,873.39 and 1,243.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,082.42 : 2,873.39 = 1,243.10 : x
2. Step 2: Convert to fraction form
   2,082.42/2,873.39 = 1,243.10/x
3. Step 3: Cross multiply
   2,082.42x = 2,873.39 × 1,243.10
4. Step 4: Simplify right side
   2,082.42x = 3,571,912.08
5. Step 5: Solve for x
   x = 3,571,912.08/2,082.42
6. Step 6: Final answer
   x = 1,715.27