Finding the Fourth Proportional to 6,322.42, 8,724.89 and 3,489.79

Step by Step Solution

1. Step 1: Write the proportion equation
   6,322.42 : 8,724.89 = 3,489.79 : x
2. Step 2: Convert to fraction form
   6,322.42/8,724.89 = 3,489.79/x
3. Step 3: Cross multiply
   6,322.42x = 8,724.89 × 3,489.79
4. Step 4: Simplify right side
   6,322.42x = 30,448,076.41
5. Step 5: Solve for x
   x = 30,448,076.41/6,322.42
6. Step 6: Final answer
   x = 4,815.89