Finding the Fourth Proportional to 2,242.56, 3,362.63 and 682.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,242.56 : 3,362.63 = 682.10 : x
2. Step 2: Convert to fraction form
   2,242.56/3,362.63 = 682.10/x
3. Step 3: Cross multiply
   2,242.56x = 3,362.63 × 682.10
4. Step 4: Simplify right side
   2,242.56x = 2,293,642.31
5. Step 5: Solve for x
   x = 2,293,642.31/2,242.56
6. Step 6: Final answer
   x = 1,022.78