Finding the Fourth Proportional to 10,974.87, 15,145.28 and 5,939.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,974.87 : 15,145.28 = 5,939.10 : x
2. Step 2: Convert to fraction form
   10,974.87/15,145.28 = 5,939.10/x
3. Step 3: Cross multiply
   10,974.87x = 15,145.28 × 5,939.10
4. Step 4: Simplify right side
   10,974.87x = 89,949,325.02
5. Step 5: Solve for x
   x = 89,949,325.02/10,974.87
6. Step 6: Final answer
   x = 8,195.94