Finding the Fourth Proportional to 10,568.72, 15,851.64 and 3,643.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,568.72 : 15,851.64 = 3,643.28 : x
2. Step 2: Convert to fraction form
   10,568.72/15,851.64 = 3,643.28/x
3. Step 3: Cross multiply
   10,568.72x = 15,851.64 × 3,643.28
4. Step 4: Simplify right side
   10,568.72x = 57,751,962.98
5. Step 5: Solve for x
   x = 57,751,962.98/10,568.72
6. Step 6: Final answer
   x = 5,464.42