Finding the Fourth Proportional to 49,086.24, 67,730.88 and 28,940.41

Step by Step Solution

1. Step 1: Write the proportion equation
   49,086.24 : 67,730.88 = 28,940.41 : x
2. Step 2: Convert to fraction form
   49,086.24/67,730.88 = 28,940.41/x
3. Step 3: Cross multiply
   49,086.24x = 67,730.88 × 28,940.41
4. Step 4: Simplify right side
   49,086.24x = 1,960,159,436.86
5. Step 5: Solve for x
   x = 1,960,159,436.86/49,086.24
6. Step 6: Final answer
   x = 39,932.97