Finding the Fourth Proportional to 5,568.56, 8,352.12 and 2,648.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,568.56 : 8,352.12 = 2,648.72 : x
2. Step 2: Convert to fraction form
   5,568.56/8,352.12 = 2,648.72/x
3. Step 3: Cross multiply
   5,568.56x = 8,352.12 × 2,648.72
4. Step 4: Simplify right side
   5,568.56x = 22,122,427.29
5. Step 5: Solve for x
   x = 22,122,427.29/5,568.56
6. Step 6: Final answer
   x = 3,972.74