Finding the Fourth Proportional to 5,196.70, 7,171.01 and 2,928.23

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.70 : 7,171.01 = 2,928.23 : x
2. Step 2: Convert to fraction form
   5,196.70/7,171.01 = 2,928.23/x
3. Step 3: Cross multiply
   5,196.70x = 7,171.01 × 2,928.23
4. Step 4: Simplify right side
   5,196.70x = 20,998,330.76
5. Step 5: Solve for x
   x = 20,998,330.76/5,196.70
6. Step 6: Final answer
   x = 4,040.71