Finding the Fourth Proportional to 11,861.24, 17,789.83 and 3,963.03

Step by Step Solution

1. Step 1: Write the proportion equation
   11,861.24 : 17,789.83 = 3,963.03 : x
2. Step 2: Convert to fraction form
   11,861.24/17,789.83 = 3,963.03/x
3. Step 3: Cross multiply
   11,861.24x = 17,789.83 × 3,963.03
4. Step 4: Simplify right side
   11,861.24x = 70,501,553.37
5. Step 5: Solve for x
   x = 70,501,553.37/11,861.24
6. Step 6: Final answer
   x = 5,943.86