Finding the Fourth Proportional to 2,144.36, 3,214.17 and 1,217.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.36 : 3,214.17 = 1,217.93 : x
2. Step 2: Convert to fraction form
   2,144.36/3,214.17 = 1,217.93/x
3. Step 3: Cross multiply
   2,144.36x = 3,214.17 × 1,217.93
4. Step 4: Simplify right side
   2,144.36x = 3,914,618.00
5. Step 5: Solve for x
   x = 3,914,618.00/2,144.36
6. Step 6: Final answer
   x = 1,825.55