Finding the Fourth Proportional to 5,196.13, 7,171.07 and 2,958.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.13 : 7,171.07 = 2,958.10 : x
2. Step 2: Convert to fraction form
   5,196.13/7,171.07 = 2,958.10/x
3. Step 3: Cross multiply
   5,196.13x = 7,171.07 × 2,958.10
4. Step 4: Simplify right side
   5,196.13x = 21,212,709.45
5. Step 5: Solve for x
   x = 21,212,709.45/5,196.13
6. Step 6: Final answer
   x = 4,082.41