Finding the Fourth Proportional to 6,327.50, 8,724.84 and 4,086.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,327.50 : 8,724.84 = 4,086.42 : x
2. Step 2: Convert to fraction form
   6,327.50/8,724.84 = 4,086.42/x
3. Step 3: Cross multiply
   6,327.50x = 8,724.84 × 4,086.42
4. Step 4: Simplify right side
   6,327.50x = 35,653,360.67
5. Step 5: Solve for x
   x = 35,653,360.67/6,327.50
6. Step 6: Final answer
   x = 5,634.67