Finding the Fourth Proportional to 11,081.89, 16,623.05 and 3,686.41

Step by Step Solution

1. Step 1: Write the proportion equation
   11,081.89 : 16,623.05 = 3,686.41 : x
2. Step 2: Convert to fraction form
   11,081.89/16,623.05 = 3,686.41/x
3. Step 3: Cross multiply
   11,081.89x = 16,623.05 × 3,686.41
4. Step 4: Simplify right side
   11,081.89x = 61,279,377.75
5. Step 5: Solve for x
   x = 61,279,377.75/11,081.89
6. Step 6: Final answer
   x = 5,529.69