Finding the Fourth Proportional to 2,073.72, 3,106.67 and 1,609.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,073.72 : 3,106.67 = 1,609.23 : x
2. Step 2: Convert to fraction form
   2,073.72/3,106.67 = 1,609.23/x
3. Step 3: Cross multiply
   2,073.72x = 3,106.67 × 1,609.23
4. Step 4: Simplify right side
   2,073.72x = 4,999,346.56
5. Step 5: Solve for x
   x = 4,999,346.56/2,073.72
6. Step 6: Final answer
   x = 2,410.81