Finding the Fourth Proportional to 2,496.31, 3,744.55 and 936.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,496.31 : 3,744.55 = 936.15 : x
2. Step 2: Convert to fraction form
   2,496.31/3,744.55 = 936.15/x
3. Step 3: Cross multiply
   2,496.31x = 3,744.55 × 936.15
4. Step 4: Simplify right side
   2,496.31x = 3,505,458.14
5. Step 5: Solve for x
   x = 3,505,458.14/2,496.31
6. Step 6: Final answer
   x = 1,404.26