Finding the Fourth Proportional to 5,568.30, 7,680.55 and 3,581.37

Step by Step Solution

1. Step 1: Write the proportion equation
   5,568.30 : 7,680.55 = 3,581.37 : x
2. Step 2: Convert to fraction form
   5,568.30/7,680.55 = 3,581.37/x
3. Step 3: Cross multiply
   5,568.30x = 7,680.55 × 3,581.37
4. Step 4: Simplify right side
   5,568.30x = 27,506,891.35
5. Step 5: Solve for x
   x = 27,506,891.35/5,568.30
6. Step 6: Final answer
   x = 4,939.91