Finding the Fourth Proportional to 49,016.08, 67,648.20 and 28,871.92

Step by Step Solution

1. Step 1: Write the proportion equation
   49,016.08 : 67,648.20 = 28,871.92 : x
2. Step 2: Convert to fraction form
   49,016.08/67,648.20 = 28,871.92/x
3. Step 3: Cross multiply
   49,016.08x = 67,648.20 × 28,871.92
4. Step 4: Simplify right side
   49,016.08x = 1,953,133,418.54
5. Step 5: Solve for x
   x = 1,953,133,418.54/49,016.08
6. Step 6: Final answer
   x = 39,846.79