Finding the Fourth Proportional to 5,433.60, 8,155.87 and 3,968.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,433.60 : 8,155.87 = 3,968.31 : x
2. Step 2: Convert to fraction form
   5,433.60/8,155.87 = 3,968.31/x
3. Step 3: Cross multiply
   5,433.60x = 8,155.87 × 3,968.31
4. Step 4: Simplify right side
   5,433.60x = 32,365,020.48
5. Step 5: Solve for x
   x = 32,365,020.48/5,433.60
6. Step 6: Final answer
   x = 5,956.46