Finding the Fourth Proportional to 3,258.96, 4,887.89 and 1,067.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,258.96 : 4,887.89 = 1,067.70 : x
2. Step 2: Convert to fraction form
   3,258.96/4,887.89 = 1,067.70/x
3. Step 3: Cross multiply
   3,258.96x = 4,887.89 × 1,067.70
4. Step 4: Simplify right side
   3,258.96x = 5,218,800.15
5. Step 5: Solve for x
   x = 5,218,800.15/3,258.96
6. Step 6: Final answer
   x = 1,601.37