Finding the Fourth Proportional to 16,963.31, 23,409.38 and 9,511.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,963.31 : 23,409.38 = 9,511.31 : x
2. Step 2: Convert to fraction form
   16,963.31/23,409.38 = 9,511.31/x
3. Step 3: Cross multiply
   16,963.31x = 23,409.38 × 9,511.31
4. Step 4: Simplify right side
   16,963.31x = 222,653,952.39
5. Step 5: Solve for x
   x = 222,653,952.39/16,963.31
6. Step 6: Final answer
   x = 13,125.62