Finding the Fourth Proportional to 5,426.95, 8,144.52 and 3,969.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,426.95 : 8,144.52 = 3,969.86 : x
2. Step 2: Convert to fraction form
   5,426.95/8,144.52 = 3,969.86/x
3. Step 3: Cross multiply
   5,426.95x = 8,144.52 × 3,969.86
4. Step 4: Simplify right side
   5,426.95x = 32,332,627.87
5. Step 5: Solve for x
   x = 32,332,627.87/5,426.95
6. Step 6: Final answer
   x = 5,957.79