Finding the Fourth Proportional to 10,892.48, 16,339.32 and 8,727.35

Step by Step Solution

1. Step 1: Write the proportion equation
   10,892.48 : 16,339.32 = 8,727.35 : x
2. Step 2: Convert to fraction form
   10,892.48/16,339.32 = 8,727.35/x
3. Step 3: Cross multiply
   10,892.48x = 16,339.32 × 8,727.35
4. Step 4: Simplify right side
   10,892.48x = 142,598,882.71
5. Step 5: Solve for x
   x = 142,598,882.71/10,892.48
6. Step 6: Final answer
   x = 13,091.50