Finding the Fourth Proportional to 2,664.59, 3,677.49 and 1,616.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,664.59 : 3,677.49 = 1,616.67 : x
2. Step 2: Convert to fraction form
   2,664.59/3,677.49 = 1,616.67/x
3. Step 3: Cross multiply
   2,664.59x = 3,677.49 × 1,616.67
4. Step 4: Simplify right side
   2,664.59x = 5,945,287.76
5. Step 5: Solve for x
   x = 5,945,287.76/2,664.59
6. Step 6: Final answer
   x = 2,231.22