Finding the Fourth Proportional to 10,806.54, 16,200.06 and 5,596.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,806.54 : 16,200.06 = 5,596.62 : x
2. Step 2: Convert to fraction form
   10,806.54/16,200.06 = 5,596.62/x
3. Step 3: Cross multiply
   10,806.54x = 16,200.06 × 5,596.62
4. Step 4: Simplify right side
   10,806.54x = 90,665,579.80
5. Step 5: Solve for x
   x = 90,665,579.80/10,806.54
6. Step 6: Final answer
   x = 8,389.88