Finding the Fourth Proportional to 11,017.83, 16,519.56 and 3,996.54

Step by Step Solution

1. Step 1: Write the proportion equation
   11,017.83 : 16,519.56 = 3,996.54 : x
2. Step 2: Convert to fraction form
   11,017.83/16,519.56 = 3,996.54/x
3. Step 3: Cross multiply
   11,017.83x = 16,519.56 × 3,996.54
4. Step 4: Simplify right side
   11,017.83x = 66,021,082.32
5. Step 5: Solve for x
   x = 66,021,082.32/11,017.83
6. Step 6: Final answer
   x = 5,992.20