Finding the Fourth Proportional to 2,725.02, 4,087.97 and 1,081.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,725.02 : 4,087.97 = 1,081.57 : x
2. Step 2: Convert to fraction form
   2,725.02/4,087.97 = 1,081.57/x
3. Step 3: Cross multiply
   2,725.02x = 4,087.97 × 1,081.57
4. Step 4: Simplify right side
   2,725.02x = 4,421,425.71
5. Step 5: Solve for x
   x = 4,421,425.71/2,725.02
6. Step 6: Final answer
   x = 1,622.53