Finding the Fourth Proportional to 13,025.87, 17,975.72 and 7,057.54

Step by Step Solution

1. Step 1: Write the proportion equation
   13,025.87 : 17,975.72 = 7,057.54 : x
2. Step 2: Convert to fraction form
   13,025.87/17,975.72 = 7,057.54/x
3. Step 3: Cross multiply
   13,025.87x = 17,975.72 × 7,057.54
4. Step 4: Simplify right side
   13,025.87x = 126,864,262.23
5. Step 5: Solve for x
   x = 126,864,262.23/13,025.87
6. Step 6: Final answer
   x = 9,739.41