Finding the Fourth Proportional to 8,674.72, 13,005.24 and 3,997.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,674.72 : 13,005.24 = 3,997.72 : x
2. Step 2: Convert to fraction form
   8,674.72/13,005.24 = 3,997.72/x
3. Step 3: Cross multiply
   8,674.72x = 13,005.24 × 3,997.72
4. Step 4: Simplify right side
   8,674.72x = 51,991,308.05
5. Step 5: Solve for x
   x = 51,991,308.05/8,674.72
6. Step 6: Final answer
   x = 5,993.43