Finding the Fourth Proportional to 2,725.25, 4,085.03 and 1,080.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,725.25 : 4,085.03 = 1,080.54 : x
2. Step 2: Convert to fraction form
   2,725.25/4,085.03 = 1,080.54/x
3. Step 3: Cross multiply
   2,725.25x = 4,085.03 × 1,080.54
4. Step 4: Simplify right side
   2,725.25x = 4,414,041.02
5. Step 5: Solve for x
   x = 4,414,041.02/2,725.25
6. Step 6: Final answer
   x = 1,619.69