Finding the Fourth Proportional to 11,050.89, 16,579.43 and 3,660.55

Step by Step Solution

1. Step 1: Write the proportion equation
   11,050.89 : 16,579.43 = 3,660.55 : x
2. Step 2: Convert to fraction form
   11,050.89/16,579.43 = 3,660.55/x
3. Step 3: Cross multiply
   11,050.89x = 16,579.43 × 3,660.55
4. Step 4: Simplify right side
   11,050.89x = 60,689,832.49
5. Step 5: Solve for x
   x = 60,689,832.49/11,050.89
6. Step 6: Final answer
   x = 5,491.85