Finding the Fourth Proportional to 2,182.86, 3,274.43 and 1,086.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182.86 : 3,274.43 = 1,086.12 : x
2. Step 2: Convert to fraction form
   2,182.86/3,274.43 = 1,086.12/x
3. Step 3: Cross multiply
   2,182.86x = 3,274.43 × 1,086.12
4. Step 4: Simplify right side
   2,182.86x = 3,556,432.10
5. Step 5: Solve for x
   x = 3,556,432.10/2,182.86
6. Step 6: Final answer
   x = 1,629.25