Finding the Fourth Proportional to 3,561.43, 4,914.74 and 1,968.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,561.43 : 4,914.74 = 1,968.18 : x
2. Step 2: Convert to fraction form
   3,561.43/4,914.74 = 1,968.18/x
3. Step 3: Cross multiply
   3,561.43x = 4,914.74 × 1,968.18
4. Step 4: Simplify right side
   3,561.43x = 9,673,097.89
5. Step 5: Solve for x
   x = 9,673,097.89/3,561.43
6. Step 6: Final answer
   x = 2,716.07