Finding the Fourth Proportional to 42,447.24, 58,578.77 and 25,454.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,447.24 : 58,578.77 = 25,454.25 : x
2. Step 2: Convert to fraction form
   42,447.24/58,578.77 = 25,454.25/x
3. Step 3: Cross multiply
   42,447.24x = 58,578.77 × 25,454.25
4. Step 4: Simplify right side
   42,447.24x = 1,491,078,656.27
5. Step 5: Solve for x
   x = 1,491,078,656.27/42,447.24
6. Step 6: Final answer
   x = 35,127.81