Finding the Fourth Proportional to 50,789.36, 70,108.13 and 30,647.09

Step by Step Solution

1. Step 1: Write the proportion equation
   50,789.36 : 70,108.13 = 30,647.09 : x
2. Step 2: Convert to fraction form
   50,789.36/70,108.13 = 30,647.09/x
3. Step 3: Cross multiply
   50,789.36x = 70,108.13 × 30,647.09
4. Step 4: Simplify right side
   50,789.36x = 2,148,610,191.88
5. Step 5: Solve for x
   x = 2,148,610,191.88/50,789.36
6. Step 6: Final answer
   x = 42,304.33