Finding the Fourth Proportional to 7,196.83, 10,778.51 and 6,947.39

Step by Step Solution

1. Step 1: Write the proportion equation
   7,196.83 : 10,778.51 = 6,947.39 : x
2. Step 2: Convert to fraction form
   7,196.83/10,778.51 = 6,947.39/x
3. Step 3: Cross multiply
   7,196.83x = 10,778.51 × 6,947.39
4. Step 4: Simplify right side
   7,196.83x = 74,882,556.90
5. Step 5: Solve for x
   x = 74,882,556.90/7,196.83
6. Step 6: Final answer
   x = 10,404.94