Finding the Fourth Proportional to 2,616.50, 3,609.71 and 1,672.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,616.50 : 3,609.71 = 1,672.04 : x
2. Step 2: Convert to fraction form
   2,616.50/3,609.71 = 1,672.04/x
3. Step 3: Cross multiply
   2,616.50x = 3,609.71 × 1,672.04
4. Step 4: Simplify right side
   2,616.50x = 6,035,579.51
5. Step 5: Solve for x
   x = 6,035,579.51/2,616.50
6. Step 6: Final answer
   x = 2,306.74