Finding the Fourth Proportional to 2,096.88, 3,142.86 and 1,123.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,096.88 : 3,142.86 = 1,123.68 : x
2. Step 2: Convert to fraction form
   2,096.88/3,142.86 = 1,123.68/x
3. Step 3: Cross multiply
   2,096.88x = 3,142.86 × 1,123.68
4. Step 4: Simplify right side
   2,096.88x = 3,531,568.92
5. Step 5: Solve for x
   x = 3,531,568.92/2,096.88
6. Step 6: Final answer
   x = 1,684.20