Finding the Fourth Proportional to 49,256.37, 67,976.42 and 28,042.47

Step by Step Solution

1. Step 1: Write the proportion equation
   49,256.37 : 67,976.42 = 28,042.47 : x
2. Step 2: Convert to fraction form
   49,256.37/67,976.42 = 28,042.47/x
3. Step 3: Cross multiply
   49,256.37x = 67,976.42 × 28,042.47
4. Step 4: Simplify right side
   49,256.37x = 1,906,226,578.35
5. Step 5: Solve for x
   x = 1,906,226,578.35/49,256.37
6. Step 6: Final answer
   x = 38,700.10