Finding the Fourth Proportional to 53,300.99, 79,936.89 and 20,018.48

Step by Step Solution

1. Step 1: Write the proportion equation
   53,300.99 : 79,936.89 = 20,018.48 : x
2. Step 2: Convert to fraction form
   53,300.99/79,936.89 = 20,018.48/x
3. Step 3: Cross multiply
   53,300.99x = 79,936.89 × 20,018.48
4. Step 4: Simplify right side
   53,300.99x = 1,600,215,033.73
5. Step 5: Solve for x
   x = 1,600,215,033.73/53,300.99
6. Step 6: Final answer
   x = 30,022.24