Finding the Fourth Proportional to 2,722.52, 4,080.87 and 1,078.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,722.52 : 4,080.87 = 1,078.35 : x
2. Step 2: Convert to fraction form
   2,722.52/4,080.87 = 1,078.35/x
3. Step 3: Cross multiply
   2,722.52x = 4,080.87 × 1,078.35
4. Step 4: Simplify right side
   2,722.52x = 4,400,606.16
5. Step 5: Solve for x
   x = 4,400,606.16/2,722.52
6. Step 6: Final answer
   x = 1,616.38