Finding the Fourth Proportional to 11,035.58, 16,555.41 and 3,640.55

Step by Step Solution

1. Step 1: Write the proportion equation
   11,035.58 : 16,555.41 = 3,640.55 : x
2. Step 2: Convert to fraction form
   11,035.58/16,555.41 = 3,640.55/x
3. Step 3: Cross multiply
   11,035.58x = 16,555.41 × 3,640.55
4. Step 4: Simplify right side
   11,035.58x = 60,270,777.18
5. Step 5: Solve for x
   x = 60,270,777.18/11,035.58
6. Step 6: Final answer
   x = 5,461.50