Finding the Fourth Proportional to 2,535.79, 3,508.98 and 2,162.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,535.79 : 3,508.98 = 2,162.18 : x
2. Step 2: Convert to fraction form
   2,535.79/3,508.98 = 2,162.18/x
3. Step 3: Cross multiply
   2,535.79x = 3,508.98 × 2,162.18
4. Step 4: Simplify right side
   2,535.79x = 7,587,046.38
5. Step 5: Solve for x
   x = 7,587,046.38/2,535.79
6. Step 6: Final answer
   x = 2,991.99