Finding the Fourth Proportional to 11,089.36, 16,636.56 and 3,694.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,089.36 : 16,636.56 = 3,694.72 : x
2. Step 2: Convert to fraction form
   11,089.36/16,636.56 = 3,694.72/x
3. Step 3: Cross multiply
   11,089.36x = 16,636.56 × 3,694.72
4. Step 4: Simplify right side
   11,089.36x = 61,467,430.96
5. Step 5: Solve for x
   x = 61,467,430.96/11,089.36
6. Step 6: Final answer
   x = 5,542.92