Finding the Fourth Proportional to 6,284.72, 8,672.91 and 3,490.22

Step by Step Solution

1. Step 1: Write the proportion equation
   6,284.72 : 8,672.91 = 3,490.22 : x
2. Step 2: Convert to fraction form
   6,284.72/8,672.91 = 3,490.22/x
3. Step 3: Cross multiply
   6,284.72x = 8,672.91 × 3,490.22
4. Step 4: Simplify right side
   6,284.72x = 30,270,320.58
5. Step 5: Solve for x
   x = 30,270,320.58/6,284.72
6. Step 6: Final answer
   x = 4,816.50