Finding the Fourth Proportional to 2,457, 3,382.56 and 2,339.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,457 : 3,382.56 = 2,339.82 : x
2. Step 2: Convert to fraction form
   2,457/3,382.56 = 2,339.82/x
3. Step 3: Cross multiply
   2,457x = 3,382.56 × 2,339.82
4. Step 4: Simplify right side
   2,457x = 7,914,581.54
5. Step 5: Solve for x
   x = 7,914,581.54/2,457
6. Step 6: Final answer
   x = 3,221.24