Finding the Fourth Proportional to 3,870.31, 5,791.60 and 3,352.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870.31 : 5,791.60 = 3,352.09 : x
2. Step 2: Convert to fraction form
   3,870.31/5,791.60 = 3,352.09/x
3. Step 3: Cross multiply
   3,870.31x = 5,791.60 × 3,352.09
4. Step 4: Simplify right side
   3,870.31x = 19,413,964.44
5. Step 5: Solve for x
   x = 19,413,964.44/3,870.31
6. Step 6: Final answer
   x = 5,016.13