Finding the Fourth Proportional to 5,196.38, 7,171.37 and 2,958.26

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.38 : 7,171.37 = 2,958.26 : x
2. Step 2: Convert to fraction form
   5,196.38/7,171.37 = 2,958.26/x
3. Step 3: Cross multiply
   5,196.38x = 7,171.37 × 2,958.26
4. Step 4: Simplify right side
   5,196.38x = 21,214,748.55
5. Step 5: Solve for x
   x = 21,214,748.55/5,196.38
6. Step 6: Final answer
   x = 4,082.60