Finding the Fourth Proportional to 16,927.38, 23,337.72 and 12,942.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,927.38 : 23,337.72 = 12,942.18 : x
2. Step 2: Convert to fraction form
   16,927.38/23,337.72 = 12,942.18/x
3. Step 3: Cross multiply
   16,927.38x = 23,337.72 × 12,942.18
4. Step 4: Simplify right side
   16,927.38x = 302,040,973.03
5. Step 5: Solve for x
   x = 302,040,973.03/16,927.38
6. Step 6: Final answer
   x = 17,843.34