Finding the Fourth Proportional to 2,165.57, 3,249.32 and 797.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,165.57 : 3,249.32 = 797.25 : x
2. Step 2: Convert to fraction form
   2,165.57/3,249.32 = 797.25/x
3. Step 3: Cross multiply
   2,165.57x = 3,249.32 × 797.25
4. Step 4: Simplify right side
   2,165.57x = 2,590,516.38
5. Step 5: Solve for x
   x = 2,590,516.38/2,165.57
6. Step 6: Final answer
   x = 1,196.23