Finding the Fourth Proportional to 2,300.85, 3,449.28 and 1,067.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.85 : 3,449.28 = 1,067.61 : x
2. Step 2: Convert to fraction form
   2,300.85/3,449.28 = 1,067.61/x
3. Step 3: Cross multiply
   2,300.85x = 3,449.28 × 1,067.61
4. Step 4: Simplify right side
   2,300.85x = 3,682,485.82
5. Step 5: Solve for x
   x = 3,682,485.82/2,300.85
6. Step 6: Final answer
   x = 1,600.49