Finding the Fourth Proportional to 10,583.98, 15,872.73 and 7,318.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,583.98 : 15,872.73 = 7,318.06 : x
2. Step 2: Convert to fraction form
   10,583.98/15,872.73 = 7,318.06/x
3. Step 3: Cross multiply
   10,583.98x = 15,872.73 × 7,318.06
4. Step 4: Simplify right side
   10,583.98x = 116,157,674.41
5. Step 5: Solve for x
   x = 116,157,674.41/10,583.98
6. Step 6: Final answer
   x = 10,974.85