Finding the Fourth Proportional to 5,196.76, 7,171.69 and 2,958.27

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.76 : 7,171.69 = 2,958.27 : x
2. Step 2: Convert to fraction form
   5,196.76/7,171.69 = 2,958.27/x
3. Step 3: Cross multiply
   5,196.76x = 7,171.69 × 2,958.27
4. Step 4: Simplify right side
   5,196.76x = 21,215,806.97
5. Step 5: Solve for x
   x = 21,215,806.97/5,196.76
6. Step 6: Final answer
   x = 4,082.51