Finding the Fourth Proportional to 10,688.24, 16,010.58 and 5,124.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,688.24 : 16,010.58 = 5,124.62 : x
2. Step 2: Convert to fraction form
   10,688.24/16,010.58 = 5,124.62/x
3. Step 3: Cross multiply
   10,688.24x = 16,010.58 × 5,124.62
4. Step 4: Simplify right side
   10,688.24x = 82,048,138.48
5. Step 5: Solve for x
   x = 82,048,138.48/10,688.24
6. Step 6: Final answer
   x = 7,676.49