Finding the Fourth Proportional to 2,965.97, 4,087.72 and 2,256.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,965.97 : 4,087.72 = 2,256.26 : x
2. Step 2: Convert to fraction form
   2,965.97/4,087.72 = 2,256.26/x
3. Step 3: Cross multiply
   2,965.97x = 4,087.72 × 2,256.26
4. Step 4: Simplify right side
   2,965.97x = 9,222,928.82
5. Step 5: Solve for x
   x = 9,222,928.82/2,965.97
6. Step 6: Final answer
   x = 3,109.59