Finding the Fourth Proportional to 13,196.36, 19,799.37 and 6,956.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,196.36 : 19,799.37 = 6,956.12 : x
2. Step 2: Convert to fraction form
   13,196.36/19,799.37 = 6,956.12/x
3. Step 3: Cross multiply
   13,196.36x = 19,799.37 × 6,956.12
4. Step 4: Simplify right side
   13,196.36x = 137,726,694.65
5. Step 5: Solve for x
   x = 137,726,694.65/13,196.36
6. Step 6: Final answer
   x = 10,436.72