Finding the Fourth Proportional to 2,673.46, 3,688.51 and 1,611.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,673.46 : 3,688.51 = 1,611.09 : x
2. Step 2: Convert to fraction form
   2,673.46/3,688.51 = 1,611.09/x
3. Step 3: Cross multiply
   2,673.46x = 3,688.51 × 1,611.09
4. Step 4: Simplify right side
   2,673.46x = 5,942,525.10
5. Step 5: Solve for x
   x = 5,942,525.10/2,673.46
6. Step 6: Final answer
   x = 2,222.79