Finding the Fourth Proportional to 11,662.38, 17,496.28 and 3,871.22

Step by Step Solution

1. Step 1: Write the proportion equation
   11,662.38 : 17,496.28 = 3,871.22 : x
2. Step 2: Convert to fraction form
   11,662.38/17,496.28 = 3,871.22/x
3. Step 3: Cross multiply
   11,662.38x = 17,496.28 × 3,871.22
4. Step 4: Simplify right side
   11,662.38x = 67,731,949.06
5. Step 5: Solve for x
   x = 67,731,949.06/11,662.38
6. Step 6: Final answer
   x = 5,807.73