Finding the Fourth Proportional to 2,082.69, 3,123.12 and 1,108.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,082.69 : 3,123.12 = 1,108.56 : x
2. Step 2: Convert to fraction form
   2,082.69/3,123.12 = 1,108.56/x
3. Step 3: Cross multiply
   2,082.69x = 3,123.12 × 1,108.56
4. Step 4: Simplify right side
   2,082.69x = 3,462,165.91
5. Step 5: Solve for x
   x = 3,462,165.91/2,082.69
6. Step 6: Final answer
   x = 1,662.35