Finding the Fourth Proportional to 2,162.43, 3,244.54 and 1,066.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,162.43 : 3,244.54 = 1,066.80 : x
2. Step 2: Convert to fraction form
   2,162.43/3,244.54 = 1,066.80/x
3. Step 3: Cross multiply
   2,162.43x = 3,244.54 × 1,066.80
4. Step 4: Simplify right side
   2,162.43x = 3,461,275.27
5. Step 5: Solve for x
   x = 3,461,275.27/2,162.43
6. Step 6: Final answer
   x = 1,600.64