Finding the Fourth Proportional to 2,142.57, 3,210.54 and 1,446.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142.57 : 3,210.54 = 1,446.51 : x
2. Step 2: Convert to fraction form
   2,142.57/3,210.54 = 1,446.51/x
3. Step 3: Cross multiply
   2,142.57x = 3,210.54 × 1,446.51
4. Step 4: Simplify right side
   2,142.57x = 4,644,078.22
5. Step 5: Solve for x
   x = 4,644,078.22/2,142.57
6. Step 6: Final answer
   x = 2,167.53