Finding the Fourth Proportional to 2,625.28, 3,936.84 and 894.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,625.28 : 3,936.84 = 894.04 : x
2. Step 2: Convert to fraction form
   2,625.28/3,936.84 = 894.04/x
3. Step 3: Cross multiply
   2,625.28x = 3,936.84 × 894.04
4. Step 4: Simplify right side
   2,625.28x = 3,519,692.43
5. Step 5: Solve for x
   x = 3,519,692.43/2,625.28
6. Step 6: Final answer
   x = 1,340.69