Finding the Fourth Proportional to 2,249.62, 3,104.86 and 1,661.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,249.62 : 3,104.86 = 1,661.86 : x
2. Step 2: Convert to fraction form
   2,249.62/3,104.86 = 1,661.86/x
3. Step 3: Cross multiply
   2,249.62x = 3,104.86 × 1,661.86
4. Step 4: Simplify right side
   2,249.62x = 5,159,834.33
5. Step 5: Solve for x
   x = 5,159,834.33/2,249.62
6. Step 6: Final answer
   x = 2,293.65