Finding the Fourth Proportional to 2,653.17, 3,982.18 and 1,355.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,653.17 : 3,982.18 = 1,355.55 : x
2. Step 2: Convert to fraction form
   2,653.17/3,982.18 = 1,355.55/x
3. Step 3: Cross multiply
   2,653.17x = 3,982.18 × 1,355.55
4. Step 4: Simplify right side
   2,653.17x = 5,398,044.10
5. Step 5: Solve for x
   x = 5,398,044.10/2,653.17
6. Step 6: Final answer
   x = 2,034.56