Finding the Fourth Proportional to 2,430.27, 3,643.61 and 968.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,430.27 : 3,643.61 = 968.31 : x
2. Step 2: Convert to fraction form
   2,430.27/3,643.61 = 968.31/x
3. Step 3: Cross multiply
   2,430.27x = 3,643.61 × 968.31
4. Step 4: Simplify right side
   2,430.27x = 3,528,139.16
5. Step 5: Solve for x
   x = 3,528,139.16/2,430.27
6. Step 6: Final answer
   x = 1,451.75