Finding the Fourth Proportional to 2,654.52, 3,982.41 and 805.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,654.52 : 3,982.41 = 805.74 : x
2. Step 2: Convert to fraction form
   2,654.52/3,982.41 = 805.74/x
3. Step 3: Cross multiply
   2,654.52x = 3,982.41 × 805.74
4. Step 4: Simplify right side
   2,654.52x = 3,208,787.03
5. Step 5: Solve for x
   x = 3,208,787.03/2,654.52
6. Step 6: Final answer
   x = 1,208.80