Finding the Fourth Proportional to 11,826.38, 17,743.24 and 3,506.43

Step by Step Solution

1. Step 1: Write the proportion equation
   11,826.38 : 17,743.24 = 3,506.43 : x
2. Step 2: Convert to fraction form
   11,826.38/17,743.24 = 3,506.43/x
3. Step 3: Cross multiply
   11,826.38x = 17,743.24 × 3,506.43
4. Step 4: Simplify right side
   11,826.38x = 62,215,482.16
5. Step 5: Solve for x
   x = 62,215,482.16/11,826.38
6. Step 6: Final answer
   x = 5,260.74