Finding the Fourth Proportional to 1,067.94, 1,601.00 and 418.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,067.94 : 1,601.00 = 418.53 : x
2. Step 2: Convert to fraction form
   1,067.94/1,601.00 = 418.53/x
3. Step 3: Cross multiply
   1,067.94x = 1,601.00 × 418.53
4. Step 4: Simplify right side
   1,067.94x = 670,056.43
5. Step 5: Solve for x
   x = 670,056.43/1,067.94
6. Step 6: Final answer
   x = 627.43