Finding the Fourth Proportional to 3,969.58, 5,954.83 and 1,336.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,969.58 : 5,954.83 = 1,336.98 : x
2. Step 2: Convert to fraction form
   3,969.58/5,954.83 = 1,336.98/x
3. Step 3: Cross multiply
   3,969.58x = 5,954.83 × 1,336.98
4. Step 4: Simplify right side
   3,969.58x = 7,961,488.61
5. Step 5: Solve for x
   x = 7,961,488.61/3,969.58
6. Step 6: Final answer
   x = 2,005.62