Finding the Fourth Proportional to 2,453.94, 3,680.55 and 722.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,453.94 : 3,680.55 = 722.34 : x
2. Step 2: Convert to fraction form
   2,453.94/3,680.55 = 722.34/x
3. Step 3: Cross multiply
   2,453.94x = 3,680.55 × 722.34
4. Step 4: Simplify right side
   2,453.94x = 2,658,608.49
5. Step 5: Solve for x
   x = 2,658,608.49/2,453.94
6. Step 6: Final answer
   x = 1,083.40