Finding the Fourth Proportional to 59,456.18, 89,197.42 and 20,012

Step by Step Solution

1. Step 1: Write the proportion equation
   59,456.18 : 89,197.42 = 20,012 : x
2. Step 2: Convert to fraction form
   59,456.18/89,197.42 = 20,012/x
3. Step 3: Cross multiply
   59,456.18x = 89,197.42 × 20,012
4. Step 4: Simplify right side
   59,456.18x = 1,785,018,769.04
5. Step 5: Solve for x
   x = 1,785,018,769.04/59,456.18
6. Step 6: Final answer
   x = 30,022.43