Finding the Fourth Proportional to 11,066.76, 16,596.90 and 3,669.57

Step by Step Solution

1. Step 1: Write the proportion equation
   11,066.76 : 16,596.90 = 3,669.57 : x
2. Step 2: Convert to fraction form
   11,066.76/16,596.90 = 3,669.57/x
3. Step 3: Cross multiply
   11,066.76x = 16,596.90 × 3,669.57
4. Step 4: Simplify right side
   11,066.76x = 60,903,486.33
5. Step 5: Solve for x
   x = 60,903,486.33/11,066.76
6. Step 6: Final answer
   x = 5,503.28