Finding the Fourth Proportional to 16,776.35, 23,151.40 and 9,606.37

Step by Step Solution

1. Step 1: Write the proportion equation
   16,776.35 : 23,151.40 = 9,606.37 : x
2. Step 2: Convert to fraction form
   16,776.35/23,151.40 = 9,606.37/x
3. Step 3: Cross multiply
   16,776.35x = 23,151.40 × 9,606.37
4. Step 4: Simplify right side
   16,776.35x = 222,400,914.42
5. Step 5: Solve for x
   x = 222,400,914.42/16,776.35
6. Step 6: Final answer
   x = 13,256.82