Finding the Fourth Proportional to 50,780.32, 70,083.44 and 30,648.58

Step by Step Solution

1. Step 1: Write the proportion equation
   50,780.32 : 70,083.44 = 30,648.58 : x
2. Step 2: Convert to fraction form
   50,780.32/70,083.44 = 30,648.58/x
3. Step 3: Cross multiply
   50,780.32x = 70,083.44 × 30,648.58
4. Step 4: Simplify right side
   50,780.32x = 2,147,957,917.52
5. Step 5: Solve for x
   x = 2,147,957,917.52/50,780.32
6. Step 6: Final answer
   x = 42,299.02