Finding the Fourth Proportional to 2,104.24, 2,902.31 and 1,357.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,104.24 : 2,902.31 = 1,357.82 : x
2. Step 2: Convert to fraction form
   2,104.24/2,902.31 = 1,357.82/x
3. Step 3: Cross multiply
   2,104.24x = 2,902.31 × 1,357.82
4. Step 4: Simplify right side
   2,104.24x = 3,940,815.03
5. Step 5: Solve for x
   x = 3,940,815.03/2,104.24
6. Step 6: Final answer
   x = 1,872.80