Finding the Fourth Proportional to 2,097.96, 3,144.25 and 866.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,097.96 : 3,144.25 = 866.24 : x
2. Step 2: Convert to fraction form
   2,097.96/3,144.25 = 866.24/x
3. Step 3: Cross multiply
   2,097.96x = 3,144.25 × 866.24
4. Step 4: Simplify right side
   2,097.96x = 2,723,669.42
5. Step 5: Solve for x
   x = 2,723,669.42/2,097.96
6. Step 6: Final answer
   x = 1,298.25