Finding the Fourth Proportional to 42,227.68, 63,359.94 and 20,056.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,227.68 : 63,359.94 = 20,056.72 : x
2. Step 2: Convert to fraction form
   42,227.68/63,359.94 = 20,056.72/x
3. Step 3: Cross multiply
   42,227.68x = 63,359.94 × 20,056.72
4. Step 4: Simplify right side
   42,227.68x = 1,270,792,575.80
5. Step 5: Solve for x
   x = 1,270,792,575.80/42,227.68
6. Step 6: Final answer
   x = 30,093.83