Finding the Fourth Proportional to 49,017.78, 67,626.21 and 28,862.34

Step by Step Solution

1. Step 1: Write the proportion equation
   49,017.78 : 67,626.21 = 28,862.34 : x
2. Step 2: Convert to fraction form
   49,017.78/67,626.21 = 28,862.34/x
3. Step 3: Cross multiply
   49,017.78x = 67,626.21 × 28,862.34
4. Step 4: Simplify right side
   49,017.78x = 1,951,850,665.93
5. Step 5: Solve for x
   x = 1,951,850,665.93/49,017.78
6. Step 6: Final answer
   x = 39,819.24