Finding the Fourth Proportional to 10,724.85, 16,069.49 and 7,589.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,724.85 : 16,069.49 = 7,589.31 : x
2. Step 2: Convert to fraction form
   10,724.85/16,069.49 = 7,589.31/x
3. Step 3: Cross multiply
   10,724.85x = 16,069.49 × 7,589.31
4. Step 4: Simplify right side
   10,724.85x = 121,956,341.15
5. Step 5: Solve for x
   x = 121,956,341.15/10,724.85
6. Step 6: Final answer
   x = 11,371.38