Finding the Fourth Proportional to 42,357.91, 58,456.34 and 25,596.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,357.91 : 58,456.34 = 25,596.31 : x
2. Step 2: Convert to fraction form
   42,357.91/58,456.34 = 25,596.31/x
3. Step 3: Cross multiply
   42,357.91x = 58,456.34 × 25,596.31
4. Step 4: Simplify right side
   42,357.91x = 1,496,266,600.11
5. Step 5: Solve for x
   x = 1,496,266,600.11/42,357.91
6. Step 6: Final answer
   x = 35,324.37