Finding the Fourth Proportional to 49,680.82, 68,555.92 and 28,171

Step by Step Solution

1. Step 1: Write the proportion equation
   49,680.82 : 68,555.92 = 28,171 : x
2. Step 2: Convert to fraction form
   49,680.82/68,555.92 = 28,171/x
3. Step 3: Cross multiply
   49,680.82x = 68,555.92 × 28,171
4. Step 4: Simplify right side
   49,680.82x = 1,931,288,822.32
5. Step 5: Solve for x
   x = 1,931,288,822.32/49,680.82
6. Step 6: Final answer
   x = 38,873.93