Finding the Fourth Proportional to 2,648.31, 3,969.63 and 1,674.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648.31 : 3,969.63 = 1,674.69 : x
2. Step 2: Convert to fraction form
   2,648.31/3,969.63 = 1,674.69/x
3. Step 3: Cross multiply
   2,648.31x = 3,969.63 × 1,674.69
4. Step 4: Simplify right side
   2,648.31x = 6,647,899.66
5. Step 5: Solve for x
   x = 6,647,899.66/2,648.31
6. Step 6: Final answer
   x = 2,510.24