Finding the Fourth Proportional to 10,879.25, 16,316.59 and 5,327

Step by Step Solution

1. Step 1: Write the proportion equation
   10,879.25 : 16,316.59 = 5,327 : x
2. Step 2: Convert to fraction form
   10,879.25/16,316.59 = 5,327/x
3. Step 3: Cross multiply
   10,879.25x = 16,316.59 × 5,327
4. Step 4: Simplify right side
   10,879.25x = 86,918,448.30
5. Step 5: Solve for x
   x = 86,918,448.30/10,879.25
6. Step 6: Final answer
   x = 7,989.38