Finding the Fourth Proportional to 11,447.10, 17,150.49 and 10,025.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,447.10 : 17,150.49 = 10,025.69 : x
2. Step 2: Convert to fraction form
   11,447.10/17,150.49 = 10,025.69/x
3. Step 3: Cross multiply
   11,447.10x = 17,150.49 × 10,025.69
4. Step 4: Simplify right side
   11,447.10x = 171,945,410.34
5. Step 5: Solve for x
   x = 171,945,410.34/11,447.10
6. Step 6: Final answer
   x = 15,020.87