Finding the Fourth Proportional to 2,162.65, 3,242.55 and 1,067.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,162.65 : 3,242.55 = 1,067.74 : x
2. Step 2: Convert to fraction form
   2,162.65/3,242.55 = 1,067.74/x
3. Step 3: Cross multiply
   2,162.65x = 3,242.55 × 1,067.74
4. Step 4: Simplify right side
   2,162.65x = 3,462,200.34
5. Step 5: Solve for x
   x = 3,462,200.34/2,162.65
6. Step 6: Final answer
   x = 1,600.91