Finding the Fourth Proportional to 10,724.76, 16,089.45 and 5,460.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,724.76 : 16,089.45 = 5,460.54 : x
2. Step 2: Convert to fraction form
   10,724.76/16,089.45 = 5,460.54/x
3. Step 3: Cross multiply
   10,724.76x = 16,089.45 × 5,460.54
4. Step 4: Simplify right side
   10,724.76x = 87,857,085.30
5. Step 5: Solve for x
   x = 87,857,085.30/10,724.76
6. Step 6: Final answer
   x = 8,191.99