Finding the Fourth Proportional to 2,895.30, 3,997.80 and 2,674.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,895.30 : 3,997.80 = 2,674.16 : x
2. Step 2: Convert to fraction form
   2,895.30/3,997.80 = 2,674.16/x
3. Step 3: Cross multiply
   2,895.30x = 3,997.80 × 2,674.16
4. Step 4: Simplify right side
   2,895.30x = 10,690,756.85
5. Step 5: Solve for x
   x = 10,690,756.85/2,895.30
6. Step 6: Final answer
   x = 3,692.45