Finding the Fourth Proportional to 2,663.67, 3,674.12 and 1,616.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,663.67 : 3,674.12 = 1,616.34 : x
2. Step 2: Convert to fraction form
   2,663.67/3,674.12 = 1,616.34/x
3. Step 3: Cross multiply
   2,663.67x = 3,674.12 × 1,616.34
4. Step 4: Simplify right side
   2,663.67x = 5,938,619.04
5. Step 5: Solve for x
   x = 5,938,619.04/2,663.67
6. Step 6: Final answer
   x = 2,229.49