Finding the Fourth Proportional to 1,630.32, 2,441.85 and 806.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,630.32 : 2,441.85 = 806.82 : x
2. Step 2: Convert to fraction form
   1,630.32/2,441.85 = 806.82/x
3. Step 3: Cross multiply
   1,630.32x = 2,441.85 × 806.82
4. Step 4: Simplify right side
   1,630.32x = 1,970,133.42
5. Step 5: Solve for x
   x = 1,970,133.42/1,630.32
6. Step 6: Final answer
   x = 1,208.43