Finding the Fourth Proportional to 59,649.48, 89,485.56 and 20,196

Step by Step Solution

1. Step 1: Write the proportion equation
   59,649.48 : 89,485.56 = 20,196 : x
2. Step 2: Convert to fraction form
   59,649.48/89,485.56 = 20,196/x
3. Step 3: Cross multiply
   59,649.48x = 89,485.56 × 20,196
4. Step 4: Simplify right side
   59,649.48x = 1,807,250,369.76
5. Step 5: Solve for x
   x = 1,807,250,369.76/59,649.48
6. Step 6: Final answer
   x = 30,297.84