Finding the Fourth Proportional to 16,998.18, 23,456.40 and 9,444.37

Step by Step Solution

1. Step 1: Write the proportion equation
   16,998.18 : 23,456.40 = 9,444.37 : x
2. Step 2: Convert to fraction form
   16,998.18/23,456.40 = 9,444.37/x
3. Step 3: Cross multiply
   16,998.18x = 23,456.40 × 9,444.37
4. Step 4: Simplify right side
   16,998.18x = 221,530,826.41
5. Step 5: Solve for x
   x = 221,530,826.41/16,998.18
6. Step 6: Final answer
   x = 13,032.62