Finding the Fourth Proportional to 16,931.94, 23,362.56 and 10,640.67

Step by Step Solution

1. Step 1: Write the proportion equation
   16,931.94 : 23,362.56 = 10,640.67 : x
2. Step 2: Convert to fraction form
   16,931.94/23,362.56 = 10,640.67/x
3. Step 3: Cross multiply
   16,931.94x = 23,362.56 × 10,640.67
4. Step 4: Simplify right side
   16,931.94x = 248,593,291.32
5. Step 5: Solve for x
   x = 248,593,291.32/16,931.94
6. Step 6: Final answer
   x = 14,681.91