Finding the Fourth Proportional to 5,196.68, 7,171.50 and 2,958.58

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.68 : 7,171.50 = 2,958.58 : x
2. Step 2: Convert to fraction form
   5,196.68/7,171.50 = 2,958.58/x
3. Step 3: Cross multiply
   5,196.68x = 7,171.50 × 2,958.58
4. Step 4: Simplify right side
   5,196.68x = 21,217,456.47
5. Step 5: Solve for x
   x = 21,217,456.47/5,196.68
6. Step 6: Final answer
   x = 4,082.89