Finding the Fourth Proportional to 2,297.05, 3,171.72 and 1,765.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,297.05 : 3,171.72 = 1,765.09 : x
2. Step 2: Convert to fraction form
   2,297.05/3,171.72 = 1,765.09/x
3. Step 3: Cross multiply
   2,297.05x = 3,171.72 × 1,765.09
4. Step 4: Simplify right side
   2,297.05x = 5,598,375.87
5. Step 5: Solve for x
   x = 5,598,375.87/2,297.05
6. Step 6: Final answer
   x = 2,437.20