Finding the Fourth Proportional to 2,105.68, 3,158.52 and 1,064.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105.68 : 3,158.52 = 1,064.25 : x
2. Step 2: Convert to fraction form
   2,105.68/3,158.52 = 1,064.25/x
3. Step 3: Cross multiply
   2,105.68x = 3,158.52 × 1,064.25
4. Step 4: Simplify right side
   2,105.68x = 3,361,458.35
5. Step 5: Solve for x
   x = 3,361,458.35/2,105.68
6. Step 6: Final answer
   x = 1,596.37