Finding the Fourth Proportional to 7,162.43, 9,879.77 and 5,034.20

Step by Step Solution

1. Step 1: Write the proportion equation
   7,162.43 : 9,879.77 = 5,034.20 : x
2. Step 2: Convert to fraction form
   7,162.43/9,879.77 = 5,034.20/x
3. Step 3: Cross multiply
   7,162.43x = 9,879.77 × 5,034.20
4. Step 4: Simplify right side
   7,162.43x = 49,736,756.89
5. Step 5: Solve for x
   x = 49,736,756.89/7,162.43
6. Step 6: Final answer
   x = 6,944.12