Finding the Fourth Proportional to 8,959.56, 13,436.82 and 3,116.04

Step by Step Solution

1. Step 1: Write the proportion equation
   8,959.56 : 13,436.82 = 3,116.04 : x
2. Step 2: Convert to fraction form
   8,959.56/13,436.82 = 3,116.04/x
3. Step 3: Cross multiply
   8,959.56x = 13,436.82 × 3,116.04
4. Step 4: Simplify right side
   8,959.56x = 41,869,668.59
5. Step 5: Solve for x
   x = 41,869,668.59/8,959.56
6. Step 6: Final answer
   x = 4,673.18