Finding the Fourth Proportional to 11,939.41, 17,904.22 and 5,185.43

Step by Step Solution

1. Step 1: Write the proportion equation
   11,939.41 : 17,904.22 = 5,185.43 : x
2. Step 2: Convert to fraction form
   11,939.41/17,904.22 = 5,185.43/x
3. Step 3: Cross multiply
   11,939.41x = 17,904.22 × 5,185.43
4. Step 4: Simplify right side
   11,939.41x = 92,841,044.17
5. Step 5: Solve for x
   x = 92,841,044.17/11,939.41
6. Step 6: Final answer
   x = 7,776.02