Finding the Fourth Proportional to 2,654.66, 3,981.46 and 805.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,654.66 : 3,981.46 = 805.34 : x
2. Step 2: Convert to fraction form
   2,654.66/3,981.46 = 805.34/x
3. Step 3: Cross multiply
   2,654.66x = 3,981.46 × 805.34
4. Step 4: Simplify right side
   2,654.66x = 3,206,429.00
5. Step 5: Solve for x
   x = 3,206,429.00/2,654.66
6. Step 6: Final answer
   x = 1,207.85