Finding the Fourth Proportional to 41,411.52, 57,139.83 and 28,644.84

Step by Step Solution

1. Step 1: Write the proportion equation
   41,411.52 : 57,139.83 = 28,644.84 : x
2. Step 2: Convert to fraction form
   41,411.52/57,139.83 = 28,644.84/x
3. Step 3: Cross multiply
   41,411.52x = 57,139.83 × 28,644.84
4. Step 4: Simplify right side
   41,411.52x = 1,636,761,287.98
5. Step 5: Solve for x
   x = 1,636,761,287.98/41,411.52
6. Step 6: Final answer
   x = 39,524.30