Finding the Fourth Proportional to 2,297.50, 3,170.55 and 1,249.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,297.50 : 3,170.55 = 1,249.57 : x
2. Step 2: Convert to fraction form
   2,297.50/3,170.55 = 1,249.57/x
3. Step 3: Cross multiply
   2,297.50x = 3,170.55 × 1,249.57
4. Step 4: Simplify right side
   2,297.50x = 3,961,824.16
5. Step 5: Solve for x
   x = 3,961,824.16/2,297.50
6. Step 6: Final answer
   x = 1,724.41