Finding the Fourth Proportional to 2,397.16, 3,310.16 and 1,768.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,397.16 : 3,310.16 = 1,768.78 : x
2. Step 2: Convert to fraction form
   2,397.16/3,310.16 = 1,768.78/x
3. Step 3: Cross multiply
   2,397.16x = 3,310.16 × 1,768.78
4. Step 4: Simplify right side
   2,397.16x = 5,854,944.80
5. Step 5: Solve for x
   x = 5,854,944.80/2,397.16
6. Step 6: Final answer
   x = 2,442.45