Finding the Fourth Proportional to 11,359.62, 17,042.24 and 3,964.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,359.62 : 17,042.24 = 3,964.18 : x
2. Step 2: Convert to fraction form
   11,359.62/17,042.24 = 3,964.18/x
3. Step 3: Cross multiply
   11,359.62x = 17,042.24 × 3,964.18
4. Step 4: Simplify right side
   11,359.62x = 67,558,506.96
5. Step 5: Solve for x
   x = 67,558,506.96/11,359.62
6. Step 6: Final answer
   x = 5,947.25