Finding the Fourth Proportional to 2,725.52, 4,085.37 and 1,081.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,725.52 : 4,085.37 = 1,081.35 : x
2. Step 2: Convert to fraction form
   2,725.52/4,085.37 = 1,081.35/x
3. Step 3: Cross multiply
   2,725.52x = 4,085.37 × 1,081.35
4. Step 4: Simplify right side
   2,725.52x = 4,417,714.85
5. Step 5: Solve for x
   x = 4,417,714.85/2,725.52
6. Step 6: Final answer
   x = 1,620.87