Finding the Fourth Proportional to 6,322.40, 8,725.22 and 3,490.09

Step by Step Solution

1. Step 1: Write the proportion equation
   6,322.40 : 8,725.22 = 3,490.09 : x
2. Step 2: Convert to fraction form
   6,322.40/8,725.22 = 3,490.09/x
3. Step 3: Cross multiply
   6,322.40x = 8,725.22 × 3,490.09
4. Step 4: Simplify right side
   6,322.40x = 30,451,776.89
5. Step 5: Solve for x
   x = 30,451,776.89/6,322.40
6. Step 6: Final answer
   x = 4,816.49