Finding the Fourth Proportional to 16,683.72, 23,042.43 and 11,369.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,683.72 : 23,042.43 = 11,369.31 : x
2. Step 2: Convert to fraction form
   16,683.72/23,042.43 = 11,369.31/x
3. Step 3: Cross multiply
   16,683.72x = 23,042.43 × 11,369.31
4. Step 4: Simplify right side
   16,683.72x = 261,976,529.82
5. Step 5: Solve for x
   x = 261,976,529.82/16,683.72
6. Step 6: Final answer
   x = 15,702.52