Finding the Fourth Proportional to 11,012.28, 16,514.91 and 3,615.06

Step by Step Solution

1. Step 1: Write the proportion equation
   11,012.28 : 16,514.91 = 3,615.06 : x
2. Step 2: Convert to fraction form
   11,012.28/16,514.91 = 3,615.06/x
3. Step 3: Cross multiply
   11,012.28x = 16,514.91 × 3,615.06
4. Step 4: Simplify right side
   11,012.28x = 59,702,390.54
5. Step 5: Solve for x
   x = 59,702,390.54/11,012.28
6. Step 6: Final answer
   x = 5,421.44