Finding the Fourth Proportional to 1,648.26, 2,471.82 and 673.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648.26 : 2,471.82 = 673.86 : x
2. Step 2: Convert to fraction form
   1,648.26/2,471.82 = 673.86/x
3. Step 3: Cross multiply
   1,648.26x = 2,471.82 × 673.86
4. Step 4: Simplify right side
   1,648.26x = 1,665,660.63
5. Step 5: Solve for x
   x = 1,665,660.63/1,648.26
6. Step 6: Final answer
   x = 1,010.56