Finding the Fourth Proportional to 3,969.99, 5,953.07 and 1,196.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,969.99 : 5,953.07 = 1,196.15 : x
2. Step 2: Convert to fraction form
   3,969.99/5,953.07 = 1,196.15/x
3. Step 3: Cross multiply
   3,969.99x = 5,953.07 × 1,196.15
4. Step 4: Simplify right side
   3,969.99x = 7,120,728.93
5. Step 5: Solve for x
   x = 7,120,728.93/3,969.99
6. Step 6: Final answer
   x = 1,793.64