Finding the Fourth Proportional to 11,998.82, 18,004.71 and 5,842.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,998.82 : 18,004.71 = 5,842.82 : x
2. Step 2: Convert to fraction form
   11,998.82/18,004.71 = 5,842.82/x
3. Step 3: Cross multiply
   11,998.82x = 18,004.71 × 5,842.82
4. Step 4: Simplify right side
   11,998.82x = 105,198,279.68
5. Step 5: Solve for x
   x = 105,198,279.68/11,998.82
6. Step 6: Final answer
   x = 8,767.39