Finding the Fourth Proportional to 3,439.49, 5,159.98 and 1,067.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,439.49 : 5,159.98 = 1,067.53 : x
2. Step 2: Convert to fraction form
   3,439.49/5,159.98 = 1,067.53/x
3. Step 3: Cross multiply
   3,439.49x = 5,159.98 × 1,067.53
4. Step 4: Simplify right side
   3,439.49x = 5,508,420.55
5. Step 5: Solve for x
   x = 5,508,420.55/3,439.49
6. Step 6: Final answer
   x = 1,601.52