Finding the Fourth Proportional to 2,099.46, 3,149.28 and 800.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099.46 : 3,149.28 = 800.76 : x
2. Step 2: Convert to fraction form
   2,099.46/3,149.28 = 800.76/x
3. Step 3: Cross multiply
   2,099.46x = 3,149.28 × 800.76
4. Step 4: Simplify right side
   2,099.46x = 2,521,817.45
5. Step 5: Solve for x
   x = 2,521,817.45/2,099.46
6. Step 6: Final answer
   x = 1,201.17