Finding the Fourth Proportional to 1,648.33, 2,469.24 and 867.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648.33 : 2,469.24 = 867.17 : x
2. Step 2: Convert to fraction form
   1,648.33/2,469.24 = 867.17/x
3. Step 3: Cross multiply
   1,648.33x = 2,469.24 × 867.17
4. Step 4: Simplify right side
   1,648.33x = 2,141,257.02
5. Step 5: Solve for x
   x = 2,141,257.02/1,648.33
6. Step 6: Final answer
   x = 1,299.05