Finding the Fourth Proportional to 16,776.39, 23,151.47 and 9,606.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,776.39 : 23,151.47 = 9,606.42 : x
2. Step 2: Convert to fraction form
   16,776.39/23,151.47 = 9,606.42/x
3. Step 3: Cross multiply
   16,776.39x = 23,151.47 × 9,606.42
4. Step 4: Simplify right side
   16,776.39x = 222,402,696.41
5. Step 5: Solve for x
   x = 222,402,696.41/16,776.39
6. Step 6: Final answer
   x = 13,256.88