Finding the Fourth Proportional to 5,365.31, 7,397.06 and 3,868.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,365.31 : 7,397.06 = 3,868.56 : x
2. Step 2: Convert to fraction form
   5,365.31/7,397.06 = 3,868.56/x
3. Step 3: Cross multiply
   5,365.31x = 7,397.06 × 3,868.56
4. Step 4: Simplify right side
   5,365.31x = 28,615,951.09
5. Step 5: Solve for x
   x = 28,615,951.09/5,365.31
6. Step 6: Final answer
   x = 5,333.52