Finding the Fourth Proportional to 34,389, 47,456.82 and 20,250.54

Step by Step Solution

1. Step 1: Write the proportion equation
   34,389 : 47,456.82 = 20,250.54 : x
2. Step 2: Convert to fraction form
   34,389/47,456.82 = 20,250.54/x
3. Step 3: Cross multiply
   34,389x = 47,456.82 × 20,250.54
4. Step 4: Simplify right side
   34,389x = 961,026,231.68
5. Step 5: Solve for x
   x = 961,026,231.68/34,389
6. Step 6: Final answer
   x = 27,945.75