Finding the Fourth Proportional to 8,959.82, 13,443.57 and 3,113.24

Step by Step Solution

1. Step 1: Write the proportion equation
   8,959.82 : 13,443.57 = 3,113.24 : x
2. Step 2: Convert to fraction form
   8,959.82/13,443.57 = 3,113.24/x
3. Step 3: Cross multiply
   8,959.82x = 13,443.57 × 3,113.24
4. Step 4: Simplify right side
   8,959.82x = 41,852,992.65
5. Step 5: Solve for x
   x = 41,852,992.65/8,959.82
6. Step 6: Final answer
   x = 4,671.19