Finding the Fourth Proportional to 59,727.97, 89,573.73 and 20,276.31

Step by Step Solution

1. Step 1: Write the proportion equation
   59,727.97 : 89,573.73 = 20,276.31 : x
2. Step 2: Convert to fraction form
   59,727.97/89,573.73 = 20,276.31/x
3. Step 3: Cross multiply
   59,727.97x = 89,573.73 × 20,276.31
4. Step 4: Simplify right side
   59,727.97x = 1,816,224,717.34
5. Step 5: Solve for x
   x = 1,816,224,717.34/59,727.97
6. Step 6: Final answer
   x = 30,408.28