Finding the Fourth Proportional to 48,227.25, 72,340.89 and 20,131.98

Step by Step Solution

1. Step 1: Write the proportion equation
   48,227.25 : 72,340.89 = 20,131.98 : x
2. Step 2: Convert to fraction form
   48,227.25/72,340.89 = 20,131.98/x
3. Step 3: Cross multiply
   48,227.25x = 72,340.89 × 20,131.98
4. Step 4: Simplify right side
   48,227.25x = 1,456,365,003.89
5. Step 5: Solve for x
   x = 1,456,365,003.89/48,227.25
6. Step 6: Final answer
   x = 30,197.97