Finding the Fourth Proportional to 8,302.72, 12,454.82 and 2,756.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,302.72 : 12,454.82 = 2,756.12 : x
2. Step 2: Convert to fraction form
   8,302.72/12,454.82 = 2,756.12/x
3. Step 3: Cross multiply
   8,302.72x = 12,454.82 × 2,756.12
4. Step 4: Simplify right side
   8,302.72x = 34,326,912.78
5. Step 5: Solve for x
   x = 34,326,912.78/8,302.72
6. Step 6: Final answer
   x = 4,134.42