Finding the Fourth Proportional to 2,131.82, 3,194.44 and 1,144.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.82 : 3,194.44 = 1,144.73 : x
2. Step 2: Convert to fraction form
   2,131.82/3,194.44 = 1,144.73/x
3. Step 3: Cross multiply
   2,131.82x = 3,194.44 × 1,144.73
4. Step 4: Simplify right side
   2,131.82x = 3,656,776.43
5. Step 5: Solve for x
   x = 3,656,776.43/2,131.82
6. Step 6: Final answer
   x = 1,715.33