Finding the Fourth Proportional to 50,297.61, 69,400.89 and 28,793.91

Step by Step Solution

1. Step 1: Write the proportion equation
   50,297.61 : 69,400.89 = 28,793.91 : x
2. Step 2: Convert to fraction form
   50,297.61/69,400.89 = 28,793.91/x
3. Step 3: Cross multiply
   50,297.61x = 69,400.89 × 28,793.91
4. Step 4: Simplify right side
   50,297.61x = 1,998,322,980.58
5. Step 5: Solve for x
   x = 1,998,322,980.58/50,297.61
6. Step 6: Final answer
   x = 39,729.98