Finding the Fourth Proportional to 10,196.89, 15,290.13 and 3,958.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,196.89 : 15,290.13 = 3,958.69 : x
2. Step 2: Convert to fraction form
   10,196.89/15,290.13 = 3,958.69/x
3. Step 3: Cross multiply
   10,196.89x = 15,290.13 × 3,958.69
4. Step 4: Simplify right side
   10,196.89x = 60,528,884.73
5. Step 5: Solve for x
   x = 60,528,884.73/10,196.89
6. Step 6: Final answer
   x = 5,936.01