Finding the Fourth Proportional to 2,368.69, 3,552.89 and 725.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,368.69 : 3,552.89 = 725.09 : x
2. Step 2: Convert to fraction form
   2,368.69/3,552.89 = 725.09/x
3. Step 3: Cross multiply
   2,368.69x = 3,552.89 × 725.09
4. Step 4: Simplify right side
   2,368.69x = 2,576,143.62
5. Step 5: Solve for x
   x = 2,576,143.62/2,368.69
6. Step 6: Final answer
   x = 1,087.58