Finding the Fourth Proportional to 2,452.34, 3,380.91 and 1,665.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,452.34 : 3,380.91 = 1,665.02 : x
2. Step 2: Convert to fraction form
   2,452.34/3,380.91 = 1,665.02/x
3. Step 3: Cross multiply
   2,452.34x = 3,380.91 × 1,665.02
4. Step 4: Simplify right side
   2,452.34x = 5,629,265.86
5. Step 5: Solve for x
   x = 5,629,265.86/2,452.34
6. Step 6: Final answer
   x = 2,295.47