Finding the Fourth Proportional to 2,025.55, 3,035.78 and 1,086.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,025.55 : 3,035.78 = 1,086.17 : x
2. Step 2: Convert to fraction form
   2,025.55/3,035.78 = 1,086.17/x
3. Step 3: Cross multiply
   2,025.55x = 3,035.78 × 1,086.17
4. Step 4: Simplify right side
   2,025.55x = 3,297,373.16
5. Step 5: Solve for x
   x = 3,297,373.16/2,025.55
6. Step 6: Final answer
   x = 1,627.89