Finding the Fourth Proportional to 2,452.80, 3,672.72 and 1,296.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,452.80 : 3,672.72 = 1,296.12 : x
2. Step 2: Convert to fraction form
   2,452.80/3,672.72 = 1,296.12/x
3. Step 3: Cross multiply
   2,452.80x = 3,672.72 × 1,296.12
4. Step 4: Simplify right side
   2,452.80x = 4,760,285.85
5. Step 5: Solve for x
   x = 4,760,285.85/2,452.80
6. Step 6: Final answer
   x = 1,940.76