Finding the Fourth Proportional to 16,934.16, 23,369.12 and 9,380.49

Step by Step Solution

1. Step 1: Write the proportion equation
   16,934.16 : 23,369.12 = 9,380.49 : x
2. Step 2: Convert to fraction form
   16,934.16/23,369.12 = 9,380.49/x
3. Step 3: Cross multiply
   16,934.16x = 23,369.12 × 9,380.49
4. Step 4: Simplify right side
   16,934.16x = 219,213,796.47
5. Step 5: Solve for x
   x = 219,213,796.47/16,934.16
6. Step 6: Final answer
   x = 12,945.06