Finding the Fourth Proportional to 2,096.15, 2,892.85 and 1,211.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,096.15 : 2,892.85 = 1,211.96 : x
2. Step 2: Convert to fraction form
   2,096.15/2,892.85 = 1,211.96/x
3. Step 3: Cross multiply
   2,096.15x = 2,892.85 × 1,211.96
4. Step 4: Simplify right side
   2,096.15x = 3,506,022.69
5. Step 5: Solve for x
   x = 3,506,022.69/2,096.15
6. Step 6: Final answer
   x = 1,672.61