Finding the Fourth Proportional to 49,870.87, 68,825.91 and 28,367.35

Step by Step Solution

1. Step 1: Write the proportion equation
   49,870.87 : 68,825.91 = 28,367.35 : x
2. Step 2: Convert to fraction form
   49,870.87/68,825.91 = 28,367.35/x
3. Step 3: Cross multiply
   49,870.87x = 68,825.91 × 28,367.35
4. Step 4: Simplify right side
   49,870.87x = 1,952,408,678.04
5. Step 5: Solve for x
   x = 1,952,408,678.04/49,870.87
6. Step 6: Final answer
   x = 39,149.28