Finding the Fourth Proportional to 2,025.81, 3,036.15 and 1,086.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,025.81 : 3,036.15 = 1,086.43 : x
2. Step 2: Convert to fraction form
   2,025.81/3,036.15 = 1,086.43/x
3. Step 3: Cross multiply
   2,025.81x = 3,036.15 × 1,086.43
4. Step 4: Simplify right side
   2,025.81x = 3,298,552.03
5. Step 5: Solve for x
   x = 3,298,552.03/2,025.81
6. Step 6: Final answer
   x = 1,628.26