Finding the Fourth Proportional to 11,826.43, 17,742.98 and 3,506.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,826.43 : 17,742.98 = 3,506.42 : x
2. Step 2: Convert to fraction form
   11,826.43/17,742.98 = 3,506.42/x
3. Step 3: Cross multiply
   11,826.43x = 17,742.98 × 3,506.42
4. Step 4: Simplify right side
   11,826.43x = 62,214,393.06
5. Step 5: Solve for x
   x = 62,214,393.06/11,826.43
6. Step 6: Final answer
   x = 5,260.62