Finding the Fourth Proportional to 59,538.36, 89,245.18 and 20,081.88

Step by Step Solution

1. Step 1: Write the proportion equation
   59,538.36 : 89,245.18 = 20,081.88 : x
2. Step 2: Convert to fraction form
   59,538.36/89,245.18 = 20,081.88/x
3. Step 3: Cross multiply
   59,538.36x = 89,245.18 × 20,081.88
4. Step 4: Simplify right side
   59,538.36x = 1,792,210,995.34
5. Step 5: Solve for x
   x = 1,792,210,995.34/59,538.36
6. Step 6: Final answer
   x = 30,101.79