Finding the Fourth Proportional to 3,967.38, 5,475.57 and 2,288.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,967.38 : 5,475.57 = 2,288.46 : x
2. Step 2: Convert to fraction form
   3,967.38/5,475.57 = 2,288.46/x
3. Step 3: Cross multiply
   3,967.38x = 5,475.57 × 2,288.46
4. Step 4: Simplify right side
   3,967.38x = 12,530,584.10
5. Step 5: Solve for x
   x = 12,530,584.10/3,967.38
6. Step 6: Final answer
   x = 3,158.40