Finding the Fourth Proportional to 13,025.36, 17,974.98 and 7,057.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,025.36 : 17,974.98 = 7,057.18 : x
2. Step 2: Convert to fraction form
   13,025.36/17,974.98 = 7,057.18/x
3. Step 3: Cross multiply
   13,025.36x = 17,974.98 × 7,057.18
4. Step 4: Simplify right side
   13,025.36x = 126,852,669.36
5. Step 5: Solve for x
   x = 126,852,669.36/13,025.36
6. Step 6: Final answer
   x = 9,738.90