Finding the Fourth Proportional to 42,449.25, 58,581.54 and 25,456.26

Step by Step Solution

1. Step 1: Write the proportion equation
   42,449.25 : 58,581.54 = 25,456.26 : x
2. Step 2: Convert to fraction form
   42,449.25/58,581.54 = 25,456.26/x
3. Step 3: Cross multiply
   42,449.25x = 58,581.54 × 25,456.26
4. Step 4: Simplify right side
   42,449.25x = 1,491,266,913.44
5. Step 5: Solve for x
   x = 1,491,266,913.44/42,449.25
6. Step 6: Final answer
   x = 35,130.58