Finding the Fourth Proportional to 8,583.72, 12,876.72 and 3,036.03

Step by Step Solution

1. Step 1: Write the proportion equation
   8,583.72 : 12,876.72 = 3,036.03 : x
2. Step 2: Convert to fraction form
   8,583.72/12,876.72 = 3,036.03/x
3. Step 3: Cross multiply
   8,583.72x = 12,876.72 × 3,036.03
4. Step 4: Simplify right side
   8,583.72x = 39,094,108.22
5. Step 5: Solve for x
   x = 39,094,108.22/8,583.72
6. Step 6: Final answer
   x = 4,554.45