Finding the Fourth Proportional to 12,185.96, 18,171.94 and 12,075.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,185.96 : 18,171.94 = 12,075.08 : x
2. Step 2: Convert to fraction form
   12,185.96/18,171.94 = 12,075.08/x
3. Step 3: Cross multiply
   12,185.96x = 18,171.94 × 12,075.08
4. Step 4: Simplify right side
   12,185.96x = 219,427,629.26
5. Step 5: Solve for x
   x = 219,427,629.26/12,185.96
6. Step 6: Final answer
   x = 18,006.59