Finding the Fourth Proportional to 2,789.40, 3,849.25 and 1,530.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,789.40 : 3,849.25 = 1,530.43 : x
2. Step 2: Convert to fraction form
   2,789.40/3,849.25 = 1,530.43/x
3. Step 3: Cross multiply
   2,789.40x = 3,849.25 × 1,530.43
4. Step 4: Simplify right side
   2,789.40x = 5,891,003.85
5. Step 5: Solve for x
   x = 5,891,003.85/2,789.40
6. Step 6: Final answer
   x = 2,111.92