Finding the Fourth Proportional to 10,975.28, 15,145.89 and 5,939.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,975.28 : 15,145.89 = 5,939.49 : x
2. Step 2: Convert to fraction form
   10,975.28/15,145.89 = 5,939.49/x
3. Step 3: Cross multiply
   10,975.28x = 15,145.89 × 5,939.49
4. Step 4: Simplify right side
   10,975.28x = 89,958,862.20
5. Step 5: Solve for x
   x = 89,958,862.20/10,975.28
6. Step 6: Final answer
   x = 8,196.50