Finding the Fourth Proportional to 2,662.06, 3,989.42 and 1,360.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662.06 : 3,989.42 = 1,360.82 : x
2. Step 2: Convert to fraction form
   2,662.06/3,989.42 = 1,360.82/x
3. Step 3: Cross multiply
   2,662.06x = 3,989.42 × 1,360.82
4. Step 4: Simplify right side
   2,662.06x = 5,428,882.52
5. Step 5: Solve for x
   x = 5,428,882.52/2,662.06
6. Step 6: Final answer
   x = 2,039.35