Finding the Fourth Proportional to 2,738.64, 4,108.41 and 1,095.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,738.64 : 4,108.41 = 1,095.21 : x
2. Step 2: Convert to fraction form
   2,738.64/4,108.41 = 1,095.21/x
3. Step 3: Cross multiply
   2,738.64x = 4,108.41 × 1,095.21
4. Step 4: Simplify right side
   2,738.64x = 4,499,571.72
5. Step 5: Solve for x
   x = 4,499,571.72/2,738.64
6. Step 6: Final answer
   x = 1,642.99