Finding the Fourth Proportional to 2,162.19, 3,243.27 and 1,382.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,162.19 : 3,243.27 = 1,382.57 : x
2. Step 2: Convert to fraction form
   2,162.19/3,243.27 = 1,382.57/x
3. Step 3: Cross multiply
   2,162.19x = 3,243.27 × 1,382.57
4. Step 4: Simplify right side
   2,162.19x = 4,484,048.93
5. Step 5: Solve for x
   x = 4,484,048.93/2,162.19
6. Step 6: Final answer
   x = 2,073.84