Finding the Fourth Proportional to 16,918.57, 25,373.76 and 7,057.94

Step by Step Solution

1. Step 1: Write the proportion equation
   16,918.57 : 25,373.76 = 7,057.94 : x
2. Step 2: Convert to fraction form
   16,918.57/25,373.76 = 7,057.94/x
3. Step 3: Cross multiply
   16,918.57x = 25,373.76 × 7,057.94
4. Step 4: Simplify right side
   16,918.57x = 179,086,322.32
5. Step 5: Solve for x
   x = 179,086,322.32/16,918.57
6. Step 6: Final answer
   x = 10,585.19