Finding the Fourth Proportional to 23,009.33, 31,768.57 and 16,960.30

Step by Step Solution

1. Step 1: Write the proportion equation
   23,009.33 : 31,768.57 = 16,960.30 : x
2. Step 2: Convert to fraction form
   23,009.33/31,768.57 = 16,960.30/x
3. Step 3: Cross multiply
   23,009.33x = 31,768.57 × 16,960.30
4. Step 4: Simplify right side
   23,009.33x = 538,804,419.55
5. Step 5: Solve for x
   x = 538,804,419.55/23,009.33
6. Step 6: Final answer
   x = 23,416.78