Finding the Fourth Proportional to 2,106.82, 2,903.07 and 1,609.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106.82 : 2,903.07 = 1,609.48 : x
2. Step 2: Convert to fraction form
   2,106.82/2,903.07 = 1,609.48/x
3. Step 3: Cross multiply
   2,106.82x = 2,903.07 × 1,609.48
4. Step 4: Simplify right side
   2,106.82x = 4,672,433.10
5. Step 5: Solve for x
   x = 4,672,433.10/2,106.82
6. Step 6: Final answer
   x = 2,217.77