Finding the Fourth Proportional to 2,099.52, 3,149.69 and 800.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099.52 : 3,149.69 = 800.88 : x
2. Step 2: Convert to fraction form
   2,099.52/3,149.69 = 800.88/x
3. Step 3: Cross multiply
   2,099.52x = 3,149.69 × 800.88
4. Step 4: Simplify right side
   2,099.52x = 2,522,523.73
5. Step 5: Solve for x
   x = 2,522,523.73/2,099.52
6. Step 6: Final answer
   x = 1,201.48