Finding the Fourth Proportional to 5,561.43, 7,674.59 and 3,322.79

Step by Step Solution

1. Step 1: Write the proportion equation
   5,561.43 : 7,674.59 = 3,322.79 : x
2. Step 2: Convert to fraction form
   5,561.43/7,674.59 = 3,322.79/x
3. Step 3: Cross multiply
   5,561.43x = 7,674.59 × 3,322.79
4. Step 4: Simplify right side
   5,561.43x = 25,500,995.92
5. Step 5: Solve for x
   x = 25,500,995.92/5,561.43
6. Step 6: Final answer
   x = 4,585.33