Finding the Fourth Proportional to 2,082.09, 3,124.55 and 1,108.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,082.09 : 3,124.55 = 1,108.87 : x
2. Step 2: Convert to fraction form
   2,082.09/3,124.55 = 1,108.87/x
3. Step 3: Cross multiply
   2,082.09x = 3,124.55 × 1,108.87
4. Step 4: Simplify right side
   2,082.09x = 3,464,719.76
5. Step 5: Solve for x
   x = 3,464,719.76/2,082.09
6. Step 6: Final answer
   x = 1,664.06