Finding the Fourth Proportional to 16,495.14, 22,762.72 and 9,776.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,495.14 : 22,762.72 = 9,776.78 : x
2. Step 2: Convert to fraction form
   16,495.14/22,762.72 = 9,776.78/x
3. Step 3: Cross multiply
   16,495.14x = 22,762.72 × 9,776.78
4. Step 4: Simplify right side
   16,495.14x = 222,546,105.64
5. Step 5: Solve for x
   x = 222,546,105.64/16,495.14
6. Step 6: Final answer
   x = 13,491.62