Finding the Fourth Proportional to 9,388.26, 12,955.89 and 5,196.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,388.26 : 12,955.89 = 5,196.50 : x
2. Step 2: Convert to fraction form
   9,388.26/12,955.89 = 5,196.50/x
3. Step 3: Cross multiply
   9,388.26x = 12,955.89 × 5,196.50
4. Step 4: Simplify right side
   9,388.26x = 67,325,282.39
5. Step 5: Solve for x
   x = 67,325,282.39/9,388.26
6. Step 6: Final answer
   x = 7,171.22