Finding the Fourth Proportional to 16,727.91, 23,054.49 and 13,734.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,727.91 : 23,054.49 = 13,734.15 : x
2. Step 2: Convert to fraction form
   16,727.91/23,054.49 = 13,734.15/x
3. Step 3: Cross multiply
   16,727.91x = 23,054.49 × 13,734.15
4. Step 4: Simplify right side
   16,727.91x = 316,633,823.83
5. Step 5: Solve for x
   x = 316,633,823.83/16,727.91
6. Step 6: Final answer
   x = 18,928.47