Finding the Fourth Proportional to 11,036.82, 16,556.31 and 3,638.26

Step by Step Solution

1. Step 1: Write the proportion equation
   11,036.82 : 16,556.31 = 3,638.26 : x
2. Step 2: Convert to fraction form
   11,036.82/16,556.31 = 3,638.26/x
3. Step 3: Cross multiply
   11,036.82x = 16,556.31 × 3,638.26
4. Step 4: Simplify right side
   11,036.82x = 60,236,160.42
5. Step 5: Solve for x
   x = 60,236,160.42/11,036.82
6. Step 6: Final answer
   x = 5,457.75