Finding the Fourth Proportional to 3,665.25, 5,485.12 and 3,452.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665.25 : 5,485.12 = 3,452.02 : x
2. Step 2: Convert to fraction form
   3,665.25/5,485.12 = 3,452.02/x
3. Step 3: Cross multiply
   3,665.25x = 5,485.12 × 3,452.02
4. Step 4: Simplify right side
   3,665.25x = 18,934,721.60
5. Step 5: Solve for x
   x = 18,934,721.60/3,665.25
6. Step 6: Final answer
   x = 5,166.01