Finding the Fourth Proportional to 5,986.08, 8,256.98 and 3,969.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,986.08 : 8,256.98 = 3,969.50 : x
2. Step 2: Convert to fraction form
   5,986.08/8,256.98 = 3,969.50/x
3. Step 3: Cross multiply
   5,986.08x = 8,256.98 × 3,969.50
4. Step 4: Simplify right side
   5,986.08x = 32,776,020.98
5. Step 5: Solve for x
   x = 32,776,020.98/5,986.08
6. Step 6: Final answer
   x = 5,475.37