Finding the Fourth Proportional to 1,394.00, 1,921.22 and 1,144.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,394.00 : 1,921.22 = 1,144.52 : x
2. Step 2: Convert to fraction form
   1,394.00/1,921.22 = 1,144.52/x
3. Step 3: Cross multiply
   1,394.00x = 1,921.22 × 1,144.52
4. Step 4: Simplify right side
   1,394.00x = 2,198,859.39
5. Step 5: Solve for x
   x = 2,198,859.39/1,394.00
6. Step 6: Final answer
   x = 1,577.38