Finding the Fourth Proportional to 3,864.32, 5,768.52 and 3,397.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,864.32 : 5,768.52 = 3,397.24 : x
2. Step 2: Convert to fraction form
   3,864.32/5,768.52 = 3,397.24/x
3. Step 3: Cross multiply
   3,864.32x = 5,768.52 × 3,397.24
4. Step 4: Simplify right side
   3,864.32x = 19,597,046.88
5. Step 5: Solve for x
   x = 19,597,046.88/3,864.32
6. Step 6: Final answer
   x = 5,071.28