Finding the Fourth Proportional to 9,175.35, 12,662.10 and 5,196.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,175.35 : 12,662.10 = 5,196.39 : x
2. Step 2: Convert to fraction form
   9,175.35/12,662.10 = 5,196.39/x
3. Step 3: Cross multiply
   9,175.35x = 12,662.10 × 5,196.39
4. Step 4: Simplify right side
   9,175.35x = 65,797,209.82
5. Step 5: Solve for x
   x = 65,797,209.82/9,175.35
6. Step 6: Final answer
   x = 7,171.08