Finding the Fourth Proportional to 11,016.48, 16,523.40 and 3,621

Step by Step Solution

1. Step 1: Write the proportion equation
   11,016.48 : 16,523.40 = 3,621 : x
2. Step 2: Convert to fraction form
   11,016.48/16,523.40 = 3,621/x
3. Step 3: Cross multiply
   11,016.48x = 16,523.40 × 3,621
4. Step 4: Simplify right side
   11,016.48x = 59,831,231.40
5. Step 5: Solve for x
   x = 59,831,231.40/11,016.48
6. Step 6: Final answer
   x = 5,431.07