Finding the Fourth Proportional to 5,189.54, 7,161.98 and 2,952.09

Step by Step Solution

1. Step 1: Write the proportion equation
   5,189.54 : 7,161.98 = 2,952.09 : x
2. Step 2: Convert to fraction form
   5,189.54/7,161.98 = 2,952.09/x
3. Step 3: Cross multiply
   5,189.54x = 7,161.98 × 2,952.09
4. Step 4: Simplify right side
   5,189.54x = 21,142,794.78
5. Step 5: Solve for x
   x = 21,142,794.78/5,189.54
6. Step 6: Final answer
   x = 4,074.12