Finding the Fourth Proportional to 11,997.54, 16,568.01 and 9,198.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,997.54 : 16,568.01 = 9,198.18 : x
2. Step 2: Convert to fraction form
   11,997.54/16,568.01 = 9,198.18/x
3. Step 3: Cross multiply
   11,997.54x = 16,568.01 × 9,198.18
4. Step 4: Simplify right side
   11,997.54x = 152,395,538.22
5. Step 5: Solve for x
   x = 152,395,538.22/11,997.54
6. Step 6: Final answer
   x = 12,702.23