Finding the Fourth Proportional to 2,096.40, 2,893.52 and 1,311.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,096.40 : 2,893.52 = 1,311.04 : x
2. Step 2: Convert to fraction form
   2,096.40/2,893.52 = 1,311.04/x
3. Step 3: Cross multiply
   2,096.40x = 2,893.52 × 1,311.04
4. Step 4: Simplify right side
   2,096.40x = 3,793,520.46
5. Step 5: Solve for x
   x = 3,793,520.46/2,096.40
6. Step 6: Final answer
   x = 1,809.54