Finding the Fourth Proportional to 8,546.72, 12,822.24 and 3,613.84

Step by Step Solution

1. Step 1: Write the proportion equation
   8,546.72 : 12,822.24 = 3,613.84 : x
2. Step 2: Convert to fraction form
   8,546.72/12,822.24 = 3,613.84/x
3. Step 3: Cross multiply
   8,546.72x = 12,822.24 × 3,613.84
4. Step 4: Simplify right side
   8,546.72x = 46,337,523.80
5. Step 5: Solve for x
   x = 46,337,523.80/8,546.72
6. Step 6: Final answer
   x = 5,421.67