Finding the Fourth Proportional to 11,089.41, 16,628.58 and 3,691.29

Step by Step Solution

1. Step 1: Write the proportion equation
   11,089.41 : 16,628.58 = 3,691.29 : x
2. Step 2: Convert to fraction form
   11,089.41/16,628.58 = 3,691.29/x
3. Step 3: Cross multiply
   11,089.41x = 16,628.58 × 3,691.29
4. Step 4: Simplify right side
   11,089.41x = 61,380,911.07
5. Step 5: Solve for x
   x = 61,380,911.07/11,089.41
6. Step 6: Final answer
   x = 5,535.09