Finding the Fourth Proportional to 10,583.97, 15,872.71 and 7,318.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,583.97 : 15,872.71 = 7,318.05 : x
2. Step 2: Convert to fraction form
   10,583.97/15,872.71 = 7,318.05/x
3. Step 3: Cross multiply
   10,583.97x = 15,872.71 × 7,318.05
4. Step 4: Simplify right side
   10,583.97x = 116,157,245.73
5. Step 5: Solve for x
   x = 116,157,245.73/10,583.97
6. Step 6: Final answer
   x = 10,974.83