Finding the Fourth Proportional to 16,689.18, 23,014.71 and 14,064.06

Step by Step Solution

1. Step 1: Write the proportion equation
   16,689.18 : 23,014.71 = 14,064.06 : x
2. Step 2: Convert to fraction form
   16,689.18/23,014.71 = 14,064.06/x
3. Step 3: Cross multiply
   16,689.18x = 23,014.71 × 14,064.06
4. Step 4: Simplify right side
   16,689.18x = 323,680,262.32
5. Step 5: Solve for x
   x = 323,680,262.32/16,689.18
6. Step 6: Final answer
   x = 19,394.62