Finding the Fourth Proportional to 10,144.71, 15,180.06 and 5,986.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,144.71 : 15,180.06 = 5,986.71 : x
2. Step 2: Convert to fraction form
   10,144.71/15,180.06 = 5,986.71/x
3. Step 3: Cross multiply
   10,144.71x = 15,180.06 × 5,986.71
4. Step 4: Simplify right side
   10,144.71x = 90,878,617.00
5. Step 5: Solve for x
   x = 90,878,617.00/10,144.71
6. Step 6: Final answer
   x = 8,958.23