Finding the Fourth Proportional to 10,804.78, 16,196.56 and 5,175.97

Step by Step Solution

1. Step 1: Write the proportion equation
   10,804.78 : 16,196.56 = 5,175.97 : x
2. Step 2: Convert to fraction form
   10,804.78/16,196.56 = 5,175.97/x
3. Step 3: Cross multiply
   10,804.78x = 16,196.56 × 5,175.97
4. Step 4: Simplify right side
   10,804.78x = 83,832,855.23
5. Step 5: Solve for x
   x = 83,832,855.23/10,804.78
6. Step 6: Final answer
   x = 7,758.87