Finding the Fourth Proportional to 2,571.82, 3,545.79 and 2,099.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,571.82 : 3,545.79 = 2,099.23 : x
2. Step 2: Convert to fraction form
   2,571.82/3,545.79 = 2,099.23/x
3. Step 3: Cross multiply
   2,571.82x = 3,545.79 × 2,099.23
4. Step 4: Simplify right side
   2,571.82x = 7,443,411.01
5. Step 5: Solve for x
   x = 7,443,411.01/2,571.82
6. Step 6: Final answer
   x = 2,894.22