Finding the Fourth Proportional to 10,957.11, 16,439.76 and 5,688.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,957.11 : 16,439.76 = 5,688.83 : x
2. Step 2: Convert to fraction form
   10,957.11/16,439.76 = 5,688.83/x
3. Step 3: Cross multiply
   10,957.11x = 16,439.76 × 5,688.83
4. Step 4: Simplify right side
   10,957.11x = 93,523,040.98
5. Step 5: Solve for x
   x = 93,523,040.98/10,957.11
6. Step 6: Final answer
   x = 8,535.37