Finding the Fourth Proportional to 2,471.38, 3,708.05 and 1,085.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,471.38 : 3,708.05 = 1,085.52 : x
2. Step 2: Convert to fraction form
   2,471.38/3,708.05 = 1,085.52/x
3. Step 3: Cross multiply
   2,471.38x = 3,708.05 × 1,085.52
4. Step 4: Simplify right side
   2,471.38x = 4,025,151.24
5. Step 5: Solve for x
   x = 4,025,151.24/2,471.38
6. Step 6: Final answer
   x = 1,628.71