Finding the Fourth Proportional to 2,765.49, 3,815.94 and 1,570.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,765.49 : 3,815.94 = 1,570.56 : x
2. Step 2: Convert to fraction form
   2,765.49/3,815.94 = 1,570.56/x
3. Step 3: Cross multiply
   2,765.49x = 3,815.94 × 1,570.56
4. Step 4: Simplify right side
   2,765.49x = 5,993,162.73
5. Step 5: Solve for x
   x = 5,993,162.73/2,765.49
6. Step 6: Final answer
   x = 2,167.13