Finding the Fourth Proportional to 8,303.88, 12,456.16 and 2,757.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,303.88 : 12,456.16 = 2,757.72 : x
2. Step 2: Convert to fraction form
   8,303.88/12,456.16 = 2,757.72/x
3. Step 3: Cross multiply
   8,303.88x = 12,456.16 × 2,757.72
4. Step 4: Simplify right side
   8,303.88x = 34,350,601.56
5. Step 5: Solve for x
   x = 34,350,601.56/8,303.88
6. Step 6: Final answer
   x = 4,136.69