Finding the Fourth Proportional to 2,142.32, 3,210.17 and 1,446.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142.32 : 3,210.17 = 1,446.26 : x
2. Step 2: Convert to fraction form
   2,142.32/3,210.17 = 1,446.26/x
3. Step 3: Cross multiply
   2,142.32x = 3,210.17 × 1,446.26
4. Step 4: Simplify right side
   2,142.32x = 4,642,717.18
5. Step 5: Solve for x
   x = 4,642,717.18/2,142.32
6. Step 6: Final answer
   x = 2,167.15