Finding the Fourth Proportional to 2,299.59, 3,449.72 and 1,067.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,299.59 : 3,449.72 = 1,067.12 : x
2. Step 2: Convert to fraction form
   2,299.59/3,449.72 = 1,067.12/x
3. Step 3: Cross multiply
   2,299.59x = 3,449.72 × 1,067.12
4. Step 4: Simplify right side
   2,299.59x = 3,681,276.50
5. Step 5: Solve for x
   x = 3,681,276.50/2,299.59
6. Step 6: Final answer
   x = 1,600.84