Finding the Fourth Proportional to 2,725.34, 4,085.52 and 1,081.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,725.34 : 4,085.52 = 1,081.50 : x
2. Step 2: Convert to fraction form
   2,725.34/4,085.52 = 1,081.50/x
3. Step 3: Cross multiply
   2,725.34x = 4,085.52 × 1,081.50
4. Step 4: Simplify right side
   2,725.34x = 4,418,489.88
5. Step 5: Solve for x
   x = 4,418,489.88/2,725.34
6. Step 6: Final answer
   x = 1,621.26