Finding the Fourth Proportional to 11,997.22, 17,997.94 and 4,097.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,997.22 : 17,997.94 = 4,097.89 : x
2. Step 2: Convert to fraction form
   11,997.22/17,997.94 = 4,097.89/x
3. Step 3: Cross multiply
   11,997.22x = 17,997.94 × 4,097.89
4. Step 4: Simplify right side
   11,997.22x = 73,753,504.73
5. Step 5: Solve for x
   x = 73,753,504.73/11,997.22
6. Step 6: Final answer
   x = 6,147.55