Finding the Fourth Proportional to 2,253.69, 3,379.61 and 936.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,253.69 : 3,379.61 = 936.54 : x
2. Step 2: Convert to fraction form
   2,253.69/3,379.61 = 936.54/x
3. Step 3: Cross multiply
   2,253.69x = 3,379.61 × 936.54
4. Step 4: Simplify right side
   2,253.69x = 3,165,142.29
5. Step 5: Solve for x
   x = 3,165,142.29/2,253.69
6. Step 6: Final answer
   x = 1,404.43