Finding the Fourth Proportional to 2,771.79, 3,825.05 and 1,512.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,771.79 : 3,825.05 = 1,512.83 : x
2. Step 2: Convert to fraction form
   2,771.79/3,825.05 = 1,512.83/x
3. Step 3: Cross multiply
   2,771.79x = 3,825.05 × 1,512.83
4. Step 4: Simplify right side
   2,771.79x = 5,786,650.39
5. Step 5: Solve for x
   x = 5,786,650.39/2,771.79
6. Step 6: Final answer
   x = 2,087.69