Finding the Fourth Proportional to 2,145.25, 3,223.26 and 1,365.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,145.25 : 3,223.26 = 1,365.59 : x
2. Step 2: Convert to fraction form
   2,145.25/3,223.26 = 1,365.59/x
3. Step 3: Cross multiply
   2,145.25x = 3,223.26 × 1,365.59
4. Step 4: Simplify right side
   2,145.25x = 4,401,651.62
5. Step 5: Solve for x
   x = 4,401,651.62/2,145.25
6. Step 6: Final answer
   x = 2,051.81