Finding the Fourth Proportional to 2,453.60, 3,384.56 and 1,568.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,453.60 : 3,384.56 = 1,568.72 : x
2. Step 2: Convert to fraction form
   2,453.60/3,384.56 = 1,568.72/x
3. Step 3: Cross multiply
   2,453.60x = 3,384.56 × 1,568.72
4. Step 4: Simplify right side
   2,453.60x = 5,309,426.96
5. Step 5: Solve for x
   x = 5,309,426.96/2,453.60
6. Step 6: Final answer
   x = 2,163.93