Finding the Fourth Proportional to 2,789.64, 3,849.69 and 1,530.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,789.64 : 3,849.69 = 1,530.75 : x
2. Step 2: Convert to fraction form
   2,789.64/3,849.69 = 1,530.75/x
3. Step 3: Cross multiply
   2,789.64x = 3,849.69 × 1,530.75
4. Step 4: Simplify right side
   2,789.64x = 5,892,912.97
5. Step 5: Solve for x
   x = 5,892,912.97/2,789.64
6. Step 6: Final answer
   x = 2,112.43