Finding the Fourth Proportional to 9,175.26, 12,661.83 and 5,196.44

Step by Step Solution

1. Step 1: Write the proportion equation
   9,175.26 : 12,661.83 = 5,196.44 : x
2. Step 2: Convert to fraction form
   9,175.26/12,661.83 = 5,196.44/x
3. Step 3: Cross multiply
   9,175.26x = 12,661.83 × 5,196.44
4. Step 4: Simplify right side
   9,175.26x = 65,796,439.89
5. Step 5: Solve for x
   x = 65,796,439.89/9,175.26
6. Step 6: Final answer
   x = 7,171.07