Finding the Fourth Proportional to 2,849.43, 4,272.89 and 1,289.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,849.43 : 4,272.89 = 1,289.37 : x
2. Step 2: Convert to fraction form
   2,849.43/4,272.89 = 1,289.37/x
3. Step 3: Cross multiply
   2,849.43x = 4,272.89 × 1,289.37
4. Step 4: Simplify right side
   2,849.43x = 5,509,321.72
5. Step 5: Solve for x
   x = 5,509,321.72/2,849.43
6. Step 6: Final answer
   x = 1,933.48