Finding the Fourth Proportional to 2,541.94, 3,809.56 and 1,079.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,541.94 : 3,809.56 = 1,079.28 : x
2. Step 2: Convert to fraction form
   2,541.94/3,809.56 = 1,079.28/x
3. Step 3: Cross multiply
   2,541.94x = 3,809.56 × 1,079.28
4. Step 4: Simplify right side
   2,541.94x = 4,111,581.92
5. Step 5: Solve for x
   x = 4,111,581.92/2,541.94
6. Step 6: Final answer
   x = 1,617.50