Finding the Fourth Proportional to 7,162.20, 9,883.92 and 4,329.15

Step by Step Solution

1. Step 1: Write the proportion equation
   7,162.20 : 9,883.92 = 4,329.15 : x
2. Step 2: Convert to fraction form
   7,162.20/9,883.92 = 4,329.15/x
3. Step 3: Cross multiply
   7,162.20x = 9,883.92 × 4,329.15
4. Step 4: Simplify right side
   7,162.20x = 42,788,972.27
5. Step 5: Solve for x
   x = 42,788,972.27/7,162.20
6. Step 6: Final answer
   x = 5,974.28