Finding the Fourth Proportional to 2,657.82, 3,986.83 and 1,357.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,657.82 : 3,986.83 = 1,357.77 : x
2. Step 2: Convert to fraction form
   2,657.82/3,986.83 = 1,357.77/x
3. Step 3: Cross multiply
   2,657.82x = 3,986.83 × 1,357.77
4. Step 4: Simplify right side
   2,657.82x = 5,413,198.17
5. Step 5: Solve for x
   x = 5,413,198.17/2,657.82
6. Step 6: Final answer
   x = 2,036.71