Finding the Fourth Proportional to 2,300.24, 3,449.61 and 913.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.24 : 3,449.61 = 913.16 : x
2. Step 2: Convert to fraction form
   2,300.24/3,449.61 = 913.16/x
3. Step 3: Cross multiply
   2,300.24x = 3,449.61 × 913.16
4. Step 4: Simplify right side
   2,300.24x = 3,150,028.62
5. Step 5: Solve for x
   x = 3,150,028.62/2,300.24
6. Step 6: Final answer
   x = 1,369.44