Finding the Fourth Proportional to 2,991.98, 4,488.02 and 800.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,991.98 : 4,488.02 = 800.69 : x
2. Step 2: Convert to fraction form
   2,991.98/4,488.02 = 800.69/x
3. Step 3: Cross multiply
   2,991.98x = 4,488.02 × 800.69
4. Step 4: Simplify right side
   2,991.98x = 3,593,486.29
5. Step 5: Solve for x
   x = 3,593,486.29/2,991.98
6. Step 6: Final answer
   x = 1,201.04