Finding the Fourth Proportional to 2,891.46, 4,340.85 and 2,738.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,891.46 : 4,340.85 = 2,738.38 : x
2. Step 2: Convert to fraction form
   2,891.46/4,340.85 = 2,738.38/x
3. Step 3: Cross multiply
   2,891.46x = 4,340.85 × 2,738.38
4. Step 4: Simplify right side
   2,891.46x = 11,886,896.82
5. Step 5: Solve for x
   x = 11,886,896.82/2,891.46
6. Step 6: Final answer
   x = 4,111.04