Finding the Fourth Proportional to 6,322.62, 8,725.31 and 3,490.12

Step by Step Solution

1. Step 1: Write the proportion equation
   6,322.62 : 8,725.31 = 3,490.12 : x
2. Step 2: Convert to fraction form
   6,322.62/8,725.31 = 3,490.12/x
3. Step 3: Cross multiply
   6,322.62x = 8,725.31 × 3,490.12
4. Step 4: Simplify right side
   6,322.62x = 30,452,378.94
5. Step 5: Solve for x
   x = 30,452,378.94/6,322.62
6. Step 6: Final answer
   x = 4,816.42