Finding the Fourth Proportional to 41,390.74, 57,139.05 and 25,488.82

Step by Step Solution

1. Step 1: Write the proportion equation
   41,390.74 : 57,139.05 = 25,488.82 : x
2. Step 2: Convert to fraction form
   41,390.74/57,139.05 = 25,488.82/x
3. Step 3: Cross multiply
   41,390.74x = 57,139.05 × 25,488.82
4. Step 4: Simplify right side
   41,390.74x = 1,456,406,960.42
5. Step 5: Solve for x
   x = 1,456,406,960.42/41,390.74
6. Step 6: Final answer
   x = 35,186.78