Finding the Fourth Proportional to 10,908.47, 16,362.50 and 5,355.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,908.47 : 16,362.50 = 5,355.92 : x
2. Step 2: Convert to fraction form
   10,908.47/16,362.50 = 5,355.92/x
3. Step 3: Cross multiply
   10,908.47x = 16,362.50 × 5,355.92
4. Step 4: Simplify right side
   10,908.47x = 87,636,132.41
5. Step 5: Solve for x
   x = 87,636,132.41/10,908.47
6. Step 6: Final answer
   x = 8,033.77