Finding the Fourth Proportional to 7,162.25, 9,863.89 and 5,772.13

Step by Step Solution

1. Step 1: Write the proportion equation
   7,162.25 : 9,863.89 = 5,772.13 : x
2. Step 2: Convert to fraction form
   7,162.25/9,863.89 = 5,772.13/x
3. Step 3: Cross multiply
   7,162.25x = 9,863.89 × 5,772.13
4. Step 4: Simplify right side
   7,162.25x = 56,935,616.30
5. Step 5: Solve for x
   x = 56,935,616.30/7,162.25
6. Step 6: Final answer
   x = 7,949.41