Finding the Fourth Proportional to 2,155.97, 2,974.37 and 1,359.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155.97 : 2,974.37 = 1,359.03 : x
2. Step 2: Convert to fraction form
   2,155.97/2,974.37 = 1,359.03/x
3. Step 3: Cross multiply
   2,155.97x = 2,974.37 × 1,359.03
4. Step 4: Simplify right side
   2,155.97x = 4,042,253.33
5. Step 5: Solve for x
   x = 4,042,253.33/2,155.97
6. Step 6: Final answer
   x = 1,874.91