Finding the Fourth Proportional to 25,570.69, 35,287.82 and 14,958.25

Step by Step Solution

1. Step 1: Write the proportion equation
   25,570.69 : 35,287.82 = 14,958.25 : x
2. Step 2: Convert to fraction form
   25,570.69/35,287.82 = 14,958.25/x
3. Step 3: Cross multiply
   25,570.69x = 35,287.82 × 14,958.25
4. Step 4: Simplify right side
   25,570.69x = 527,844,033.52
5. Step 5: Solve for x
   x = 527,844,033.52/25,570.69
6. Step 6: Final answer
   x = 20,642.54