Finding the Fourth Proportional to 3,361.05, 5,043.59 and 1,171.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,361.05 : 5,043.59 = 1,171.31 : x
2. Step 2: Convert to fraction form
   3,361.05/5,043.59 = 1,171.31/x
3. Step 3: Cross multiply
   3,361.05x = 5,043.59 × 1,171.31
4. Step 4: Simplify right side
   3,361.05x = 5,907,576.33
5. Step 5: Solve for x
   x = 5,907,576.33/3,361.05
6. Step 6: Final answer
   x = 1,757.66