Finding the Fourth Proportional to 11,843.54, 17,755.94 and 4,447.17

Step by Step Solution

1. Step 1: Write the proportion equation
   11,843.54 : 17,755.94 = 4,447.17 : x
2. Step 2: Convert to fraction form
   11,843.54/17,755.94 = 4,447.17/x
3. Step 3: Cross multiply
   11,843.54x = 17,755.94 × 4,447.17
4. Step 4: Simplify right side
   11,843.54x = 78,963,736.38
5. Step 5: Solve for x
   x = 78,963,736.38/11,843.54
6. Step 6: Final answer
   x = 6,667.24