Finding the Fourth Proportional to 8,513.12, 12,766.52 and 2,965.04

Step by Step Solution

1. Step 1: Write the proportion equation
   8,513.12 : 12,766.52 = 2,965.04 : x
2. Step 2: Convert to fraction form
   8,513.12/12,766.52 = 2,965.04/x
3. Step 3: Cross multiply
   8,513.12x = 12,766.52 × 2,965.04
4. Step 4: Simplify right side
   8,513.12x = 37,853,242.46
5. Step 5: Solve for x
   x = 37,853,242.46/8,513.12
6. Step 6: Final answer
   x = 4,446.46