Finding the Fourth Proportional to 6,783.29, 10,162.17 and 5,318.00

Step by Step Solution

1. Step 1: Write the proportion equation
   6,783.29 : 10,162.17 = 5,318.00 : x
2. Step 2: Convert to fraction form
   6,783.29/10,162.17 = 5,318.00/x
3. Step 3: Cross multiply
   6,783.29x = 10,162.17 × 5,318.00
4. Step 4: Simplify right side
   6,783.29x = 54,042,369.25
5. Step 5: Solve for x
   x = 54,042,369.25/6,783.29
6. Step 6: Final answer
   x = 7,966.99