Finding the Fourth Proportional to 2,096.18, 2,891.90 and 1,211.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,096.18 : 2,891.90 = 1,211.82 : x
2. Step 2: Convert to fraction form
   2,096.18/2,891.90 = 1,211.82/x
3. Step 3: Cross multiply
   2,096.18x = 2,891.90 × 1,211.82
4. Step 4: Simplify right side
   2,096.18x = 3,504,462.26
5. Step 5: Solve for x
   x = 3,504,462.26/2,096.18
6. Step 6: Final answer
   x = 1,671.83