Finding the Fourth Proportional to 1,673.45, 2,506.52 and 805.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,673.45 : 2,506.52 = 805.94 : x
2. Step 2: Convert to fraction form
   1,673.45/2,506.52 = 805.94/x
3. Step 3: Cross multiply
   1,673.45x = 2,506.52 × 805.94
4. Step 4: Simplify right side
   1,673.45x = 2,020,104.73
5. Step 5: Solve for x
   x = 2,020,104.73/1,673.45
6. Step 6: Final answer
   x = 1,207.15