Finding the Fourth Proportional to 2,082.88, 2,873.55 and 1,243.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,082.88 : 2,873.55 = 1,243.39 : x
2. Step 2: Convert to fraction form
   2,082.88/2,873.55 = 1,243.39/x
3. Step 3: Cross multiply
   2,082.88x = 2,873.55 × 1,243.39
4. Step 4: Simplify right side
   2,082.88x = 3,572,943.33
5. Step 5: Solve for x
   x = 3,572,943.33/2,082.88
6. Step 6: Final answer
   x = 1,715.39