Finding the Fourth Proportional to 2,164.29, 3,228.21 and 1,813.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,164.29 : 3,228.21 = 1,813.56 : x
2. Step 2: Convert to fraction form
   2,164.29/3,228.21 = 1,813.56/x
3. Step 3: Cross multiply
   2,164.29x = 3,228.21 × 1,813.56
4. Step 4: Simplify right side
   2,164.29x = 5,854,545.73
5. Step 5: Solve for x
   x = 5,854,545.73/2,164.29
6. Step 6: Final answer
   x = 2,705.07