Finding the Fourth Proportional to 8,568.86, 12,857.12 and 5,448.03

Step by Step Solution

1. Step 1: Write the proportion equation
   8,568.86 : 12,857.12 = 5,448.03 : x
2. Step 2: Convert to fraction form
   8,568.86/12,857.12 = 5,448.03/x
3. Step 3: Cross multiply
   8,568.86x = 12,857.12 × 5,448.03
4. Step 4: Simplify right side
   8,568.86x = 70,045,975.47
5. Step 5: Solve for x
   x = 70,045,975.47/8,568.86
6. Step 6: Final answer
   x = 8,174.48