Finding the Fourth Proportional to 11,089.55, 16,636.34 and 3,693.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,089.55 : 16,636.34 = 3,693.30 : x
2. Step 2: Convert to fraction form
   11,089.55/16,636.34 = 3,693.30/x
3. Step 3: Cross multiply
   11,089.55x = 16,636.34 × 3,693.30
4. Step 4: Simplify right side
   11,089.55x = 61,443,003.76
5. Step 5: Solve for x
   x = 61,443,003.76/11,089.55
6. Step 6: Final answer
   x = 5,540.62