Finding the Fourth Proportional to 2,355.66, 3,249.90 and 1,559.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,355.66 : 3,249.90 = 1,559.37 : x
2. Step 2: Convert to fraction form
   2,355.66/3,249.90 = 1,559.37/x
3. Step 3: Cross multiply
   2,355.66x = 3,249.90 × 1,559.37
4. Step 4: Simplify right side
   2,355.66x = 5,067,796.56
5. Step 5: Solve for x
   x = 5,067,796.56/2,355.66
6. Step 6: Final answer
   x = 2,151.33