Finding the Fourth Proportional to 59,517.81, 89,276.99 and 20,075.27

Step by Step Solution

1. Step 1: Write the proportion equation
   59,517.81 : 89,276.99 = 20,075.27 : x
2. Step 2: Convert to fraction form
   59,517.81/89,276.99 = 20,075.27/x
3. Step 3: Cross multiply
   59,517.81x = 89,276.99 × 20,075.27
4. Step 4: Simplify right side
   59,517.81x = 1,792,259,132.28
5. Step 5: Solve for x
   x = 1,792,259,132.28/59,517.81
6. Step 6: Final answer
   x = 30,112.99