Finding the Fourth Proportional to 10,144.47, 15,205.94 and 5,986.44

Step by Step Solution

1. Step 1: Write the proportion equation
   10,144.47 : 15,205.94 = 5,986.44 : x
2. Step 2: Convert to fraction form
   10,144.47/15,205.94 = 5,986.44/x
3. Step 3: Cross multiply
   10,144.47x = 15,205.94 × 5,986.44
4. Step 4: Simplify right side
   10,144.47x = 91,029,417.52
5. Step 5: Solve for x
   x = 91,029,417.52/10,144.47
6. Step 6: Final answer
   x = 8,973.30