Finding the Fourth Proportional to 2,144.35, 2,958.76 and 1,305.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.35 : 2,958.76 = 1,305.53 : x
2. Step 2: Convert to fraction form
   2,144.35/2,958.76 = 1,305.53/x
3. Step 3: Cross multiply
   2,144.35x = 2,958.76 × 1,305.53
4. Step 4: Simplify right side
   2,144.35x = 3,862,749.94
5. Step 5: Solve for x
   x = 3,862,749.94/2,144.35
6. Step 6: Final answer
   x = 1,801.36