Finding the Fourth Proportional to 2,097.24, 2,894.04 and 1,311

Step by Step Solution

1. Step 1: Write the proportion equation
   2,097.24 : 2,894.04 = 1,311 : x
2. Step 2: Convert to fraction form
   2,097.24/2,894.04 = 1,311/x
3. Step 3: Cross multiply
   2,097.24x = 2,894.04 × 1,311
4. Step 4: Simplify right side
   2,097.24x = 3,794,086.44
5. Step 5: Solve for x
   x = 3,794,086.44/2,097.24
6. Step 6: Final answer
   x = 1,809.09