Finding the Fourth Proportional to 2,096.97, 3,145.59 and 1,123.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,096.97 : 3,145.59 = 1,123.89 : x
2. Step 2: Convert to fraction form
   2,096.97/3,145.59 = 1,123.89/x
3. Step 3: Cross multiply
   2,096.97x = 3,145.59 × 1,123.89
4. Step 4: Simplify right side
   2,096.97x = 3,535,297.15
5. Step 5: Solve for x
   x = 3,535,297.15/2,096.97
6. Step 6: Final answer
   x = 1,685.91