Finding the Fourth Proportional to 2,995.72, 4,515.31 and 2,749.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,995.72 : 4,515.31 = 2,749.48 : x
2. Step 2: Convert to fraction form
   2,995.72/4,515.31 = 2,749.48/x
3. Step 3: Cross multiply
   2,995.72x = 4,515.31 × 2,749.48
4. Step 4: Simplify right side
   2,995.72x = 12,414,754.54
5. Step 5: Solve for x
   x = 12,414,754.54/2,995.72
6. Step 6: Final answer
   x = 4,144.16