Finding the Fourth Proportional to 10,721.25, 16,088.49 and 5,727.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,721.25 : 16,088.49 = 5,727.38 : x
2. Step 2: Convert to fraction form
   10,721.25/16,088.49 = 5,727.38/x
3. Step 3: Cross multiply
   10,721.25x = 16,088.49 × 5,727.38
4. Step 4: Simplify right side
   10,721.25x = 92,144,815.41
5. Step 5: Solve for x
   x = 92,144,815.41/10,721.25
6. Step 6: Final answer
   x = 8,594.60