Finding the Fourth Proportional to 2,650.32, 3,973.94 and 800.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650.32 : 3,973.94 = 800.88 : x
2. Step 2: Convert to fraction form
   2,650.32/3,973.94 = 800.88/x
3. Step 3: Cross multiply
   2,650.32x = 3,973.94 × 800.88
4. Step 4: Simplify right side
   2,650.32x = 3,182,645.06
5. Step 5: Solve for x
   x = 3,182,645.06/2,650.32
6. Step 6: Final answer
   x = 1,200.85