Finding the Fourth Proportional to 6,323.42, 8,724.56 and 3,932.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,323.42 : 8,724.56 = 3,932.78 : x
2. Step 2: Convert to fraction form
   6,323.42/8,724.56 = 3,932.78/x
3. Step 3: Cross multiply
   6,323.42x = 8,724.56 × 3,932.78
4. Step 4: Simplify right side
   6,323.42x = 34,311,711.79
5. Step 5: Solve for x
   x = 34,311,711.79/6,323.42
6. Step 6: Final answer
   x = 5,426.14