Finding the Fourth Proportional to 1,672.49, 2,317.82 and 1,649

Step by Step Solution

1. Step 1: Write the proportion equation
   1,672.49 : 2,317.82 = 1,649 : x
2. Step 2: Convert to fraction form
   1,672.49/2,317.82 = 1,649/x
3. Step 3: Cross multiply
   1,672.49x = 2,317.82 × 1,649
4. Step 4: Simplify right side
   1,672.49x = 3,822,085.18
5. Step 5: Solve for x
   x = 3,822,085.18/1,672.49
6. Step 6: Final answer
   x = 2,285.27