Finding the Fourth Proportional to 19,973.82, 27,574.92 and 12,018

Step by Step Solution

1. Step 1: Write the proportion equation
   19,973.82 : 27,574.92 = 12,018 : x
2. Step 2: Convert to fraction form
   19,973.82/27,574.92 = 12,018/x
3. Step 3: Cross multiply
   19,973.82x = 27,574.92 × 12,018
4. Step 4: Simplify right side
   19,973.82x = 331,395,388.56
5. Step 5: Solve for x
   x = 331,395,388.56/19,973.82
6. Step 6: Final answer
   x = 16,591.49