Finding the Fourth Proportional to 2,096.40, 2,892.84 and 1,212.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,096.40 : 2,892.84 = 1,212.18 : x
2. Step 2: Convert to fraction form
   2,096.40/2,892.84 = 1,212.18/x
3. Step 3: Cross multiply
   2,096.40x = 2,892.84 × 1,212.18
4. Step 4: Simplify right side
   2,096.40x = 3,506,642.79
5. Step 5: Solve for x
   x = 3,506,642.79/2,096.40
6. Step 6: Final answer
   x = 1,672.70