Finding the Fourth Proportional to 2,453.50, 3,680.61 and 1,465.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,453.50 : 3,680.61 = 1,465.72 : x
2. Step 2: Convert to fraction form
   2,453.50/3,680.61 = 1,465.72/x
3. Step 3: Cross multiply
   2,453.50x = 3,680.61 × 1,465.72
4. Step 4: Simplify right side
   2,453.50x = 5,394,743.69
5. Step 5: Solve for x
   x = 5,394,743.69/2,453.50
6. Step 6: Final answer
   x = 2,198.80