Finding the Fourth Proportional to 59,659.98, 89,469.09 and 20,205.42

Step by Step Solution

1. Step 1: Write the proportion equation
   59,659.98 : 89,469.09 = 20,205.42 : x
2. Step 2: Convert to fraction form
   59,659.98/89,469.09 = 20,205.42/x
3. Step 3: Cross multiply
   59,659.98x = 89,469.09 × 20,205.42
4. Step 4: Simplify right side
   59,659.98x = 1,807,760,540.47
5. Step 5: Solve for x
   x = 1,807,760,540.47/59,659.98
6. Step 6: Final answer
   x = 30,301.06