Finding the Fourth Proportional to 6,218.84, 8,581.82 and 3,424.34

Step by Step Solution

1. Step 1: Write the proportion equation
   6,218.84 : 8,581.82 = 3,424.34 : x
2. Step 2: Convert to fraction form
   6,218.84/8,581.82 = 3,424.34/x
3. Step 3: Cross multiply
   6,218.84x = 8,581.82 × 3,424.34
4. Step 4: Simplify right side
   6,218.84x = 29,387,069.50
5. Step 5: Solve for x
   x = 29,387,069.50/6,218.84
6. Step 6: Final answer
   x = 4,725.49