Finding the Fourth Proportional to 10,850.20, 16,265.58 and 5,650.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,850.20 : 16,265.58 = 5,650.12 : x
2. Step 2: Convert to fraction form
   10,850.20/16,265.58 = 5,650.12/x
3. Step 3: Cross multiply
   10,850.20x = 16,265.58 × 5,650.12
4. Step 4: Simplify right side
   10,850.20x = 91,902,478.87
5. Step 5: Solve for x
   x = 91,902,478.87/10,850.20
6. Step 6: Final answer
   x = 8,470.12