Finding the Fourth Proportional to 7,181.82, 10,771.46 and 3,285.30

Step by Step Solution

1. Step 1: Write the proportion equation
   7,181.82 : 10,771.46 = 3,285.30 : x
2. Step 2: Convert to fraction form
   7,181.82/10,771.46 = 3,285.30/x
3. Step 3: Cross multiply
   7,181.82x = 10,771.46 × 3,285.30
4. Step 4: Simplify right side
   7,181.82x = 35,387,477.54
5. Step 5: Solve for x
   x = 35,387,477.54/7,181.82
6. Step 6: Final answer
   x = 4,927.37