Finding the Fourth Proportional to 2,099.35, 3,149.01 and 800.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099.35 : 3,149.01 = 800.82 : x
2. Step 2: Convert to fraction form
   2,099.35/3,149.01 = 800.82/x
3. Step 3: Cross multiply
   2,099.35x = 3,149.01 × 800.82
4. Step 4: Simplify right side
   2,099.35x = 2,521,790.19
5. Step 5: Solve for x
   x = 2,521,790.19/2,099.35
6. Step 6: Final answer
   x = 1,201.22