Finding the Fourth Proportional to 6,285.34, 8,673.78 and 3,490.84

Step by Step Solution

1. Step 1: Write the proportion equation
   6,285.34 : 8,673.78 = 3,490.84 : x
2. Step 2: Convert to fraction form
   6,285.34/8,673.78 = 3,490.84/x
3. Step 3: Cross multiply
   6,285.34x = 8,673.78 × 3,490.84
4. Step 4: Simplify right side
   6,285.34x = 30,278,778.18
5. Step 5: Solve for x
   x = 30,278,778.18/6,285.34
6. Step 6: Final answer
   x = 4,817.37