Finding the Fourth Proportional to 11,081.51, 16,622.42 and 3,685.97

Step by Step Solution

1. Step 1: Write the proportion equation
   11,081.51 : 16,622.42 = 3,685.97 : x
2. Step 2: Convert to fraction form
   11,081.51/16,622.42 = 3,685.97/x
3. Step 3: Cross multiply
   11,081.51x = 16,622.42 × 3,685.97
4. Step 4: Simplify right side
   11,081.51x = 61,269,764.57
5. Step 5: Solve for x
   x = 61,269,764.57/11,081.51
6. Step 6: Final answer
   x = 5,529.01