Finding the Fourth Proportional to 2,069.70, 3,105.90 and 1,096.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069.70 : 3,105.90 = 1,096.53 : x
2. Step 2: Convert to fraction form
   2,069.70/3,105.90 = 1,096.53/x
3. Step 3: Cross multiply
   2,069.70x = 3,105.90 × 1,096.53
4. Step 4: Simplify right side
   2,069.70x = 3,405,712.53
5. Step 5: Solve for x
   x = 3,405,712.53/2,069.70
6. Step 6: Final answer
   x = 1,645.51