Finding the Fourth Proportional to 10,688.07, 16,025.91 and 5,133.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,688.07 : 16,025.91 = 5,133.83 : x
2. Step 2: Convert to fraction form
   10,688.07/16,025.91 = 5,133.83/x
3. Step 3: Cross multiply
   10,688.07x = 16,025.91 × 5,133.83
4. Step 4: Simplify right side
   10,688.07x = 82,274,217.41
5. Step 5: Solve for x
   x = 82,274,217.41/10,688.07
6. Step 6: Final answer
   x = 7,697.76