Finding the Fourth Proportional to 2,162.37, 3,244.61 and 1,340.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,162.37 : 3,244.61 = 1,340.42 : x
2. Step 2: Convert to fraction form
   2,162.37/3,244.61 = 1,340.42/x
3. Step 3: Cross multiply
   2,162.37x = 3,244.61 × 1,340.42
4. Step 4: Simplify right side
   2,162.37x = 4,349,151.60
5. Step 5: Solve for x
   x = 4,349,151.60/2,162.37
6. Step 6: Final answer
   x = 2,011.29