Finding the Fourth Proportional to 2,082.02, 3,123.63 and 1,107.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,082.02 : 3,123.63 = 1,107.38 : x
2. Step 2: Convert to fraction form
   2,082.02/3,123.63 = 1,107.38/x
3. Step 3: Cross multiply
   2,082.02x = 3,123.63 × 1,107.38
4. Step 4: Simplify right side
   2,082.02x = 3,459,029.77
5. Step 5: Solve for x
   x = 3,459,029.77/2,082.02
6. Step 6: Final answer
   x = 1,661.39