Finding the Fourth Proportional to 3,568.28, 5,384.06 and 3,568.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,568.28 : 5,384.06 = 3,568.28 : x
2. Step 2: Convert to fraction form
   3,568.28/5,384.06 = 3,568.28/x
3. Step 3: Cross multiply
   3,568.28x = 5,384.06 × 3,568.28
4. Step 4: Simplify right side
   3,568.28x = 19,211,833.62
5. Step 5: Solve for x
   x = 19,211,833.62/3,568.28
6. Step 6: Final answer
   x = 5,384.06