Finding the Fourth Proportional to 2,648.94, 3,973.56 and 800.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648.94 : 3,973.56 = 800.32 : x
2. Step 2: Convert to fraction form
   2,648.94/3,973.56 = 800.32/x
3. Step 3: Cross multiply
   2,648.94x = 3,973.56 × 800.32
4. Step 4: Simplify right side
   2,648.94x = 3,180,119.54
5. Step 5: Solve for x
   x = 3,180,119.54/2,648.94
6. Step 6: Final answer
   x = 1,200.53