Finding the Fourth Proportional to 13,884.50, 20,825.22 and 3,496.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,884.50 : 20,825.22 = 3,496.25 : x
2. Step 2: Convert to fraction form
   13,884.50/20,825.22 = 3,496.25/x
3. Step 3: Cross multiply
   13,884.50x = 20,825.22 × 3,496.25
4. Step 4: Simplify right side
   13,884.50x = 72,810,175.43
5. Step 5: Solve for x
   x = 72,810,175.43/13,884.50
6. Step 6: Final answer
   x = 5,243.99