Finding the Fourth Proportional to 3,969.72, 5,954.61 and 1,196.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,969.72 : 5,954.61 = 1,196.40 : x
2. Step 2: Convert to fraction form
   3,969.72/5,954.61 = 1,196.40/x
3. Step 3: Cross multiply
   3,969.72x = 5,954.61 × 1,196.40
4. Step 4: Simplify right side
   3,969.72x = 7,124,095.40
5. Step 5: Solve for x
   x = 7,124,095.40/3,969.72
6. Step 6: Final answer
   x = 1,794.61