Finding the Fourth Proportional to 2,144.18, 3,214.38 and 1,412.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.18 : 3,214.38 = 1,412.22 : x
2. Step 2: Convert to fraction form
   2,144.18/3,214.38 = 1,412.22/x
3. Step 3: Cross multiply
   2,144.18x = 3,214.38 × 1,412.22
4. Step 4: Simplify right side
   2,144.18x = 4,539,411.72
5. Step 5: Solve for x
   x = 4,539,411.72/2,144.18
6. Step 6: Final answer
   x = 2,117.09