Finding the Fourth Proportional to 5,189.87, 7,162.22 and 2,951.96

Step by Step Solution

1. Step 1: Write the proportion equation
   5,189.87 : 7,162.22 = 2,951.96 : x
2. Step 2: Convert to fraction form
   5,189.87/7,162.22 = 2,951.96/x
3. Step 3: Cross multiply
   5,189.87x = 7,162.22 × 2,951.96
4. Step 4: Simplify right side
   5,189.87x = 21,142,558.52
5. Step 5: Solve for x
   x = 21,142,558.52/5,189.87
6. Step 6: Final answer
   x = 4,073.81