Finding the Fourth Proportional to 6,149.89, 8,486.82 and 3,355.39

Step by Step Solution

1. Step 1: Write the proportion equation
   6,149.89 : 8,486.82 = 3,355.39 : x
2. Step 2: Convert to fraction form
   6,149.89/8,486.82 = 3,355.39/x
3. Step 3: Cross multiply
   6,149.89x = 8,486.82 × 3,355.39
4. Step 4: Simplify right side
   6,149.89x = 28,476,590.96
5. Step 5: Solve for x
   x = 28,476,590.96/6,149.89
6. Step 6: Final answer
   x = 4,630.42