Finding the Fourth Proportional to 11,080.89, 16,621.55 and 3,685.41

Step by Step Solution

1. Step 1: Write the proportion equation
   11,080.89 : 16,621.55 = 3,685.41 : x
2. Step 2: Convert to fraction form
   11,080.89/16,621.55 = 3,685.41/x
3. Step 3: Cross multiply
   11,080.89x = 16,621.55 × 3,685.41
4. Step 4: Simplify right side
   11,080.89x = 61,257,125.05
5. Step 5: Solve for x
   x = 61,257,125.05/11,080.89
6. Step 6: Final answer
   x = 5,528.18