Finding the Fourth Proportional to 2,560.82, 3,842.31 and 2,356.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,560.82 : 3,842.31 = 2,356.50 : x
2. Step 2: Convert to fraction form
   2,560.82/3,842.31 = 2,356.50/x
3. Step 3: Cross multiply
   2,560.82x = 3,842.31 × 2,356.50
4. Step 4: Simplify right side
   2,560.82x = 9,054,403.52
5. Step 5: Solve for x
   x = 9,054,403.52/2,560.82
6. Step 6: Final answer
   x = 3,535.74