Finding the Fourth Proportional to 11,081.41, 16,618.51 and 3,683.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,081.41 : 16,618.51 = 3,683.88 : x
2. Step 2: Convert to fraction form
   11,081.41/16,618.51 = 3,683.88/x
3. Step 3: Cross multiply
   11,081.41x = 16,618.51 × 3,683.88
4. Step 4: Simplify right side
   11,081.41x = 61,220,596.62
5. Step 5: Solve for x
   x = 61,220,596.62/11,081.41
6. Step 6: Final answer
   x = 5,524.62