Finding the Fourth Proportional to 2,453.82, 3,681.34 and 722.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,453.82 : 3,681.34 = 722.45 : x
2. Step 2: Convert to fraction form
   2,453.82/3,681.34 = 722.45/x
3. Step 3: Cross multiply
   2,453.82x = 3,681.34 × 722.45
4. Step 4: Simplify right side
   2,453.82x = 2,659,584.08
5. Step 5: Solve for x
   x = 2,659,584.08/2,453.82
6. Step 6: Final answer
   x = 1,083.85