Finding the Fourth Proportional to 2,162.97, 2,984.83 and 1,231.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,162.97 : 2,984.83 = 1,231.29 : x
2. Step 2: Convert to fraction form
   2,162.97/2,984.83 = 1,231.29/x
3. Step 3: Cross multiply
   2,162.97x = 2,984.83 × 1,231.29
4. Step 4: Simplify right side
   2,162.97x = 3,675,185.17
5. Step 5: Solve for x
   x = 3,675,185.17/2,162.97
6. Step 6: Final answer
   x = 1,699.14