Finding the Fourth Proportional to 8,231.72, 12,348.86 and 2,683.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,231.72 : 12,348.86 = 2,683.78 : x
2. Step 2: Convert to fraction form
   8,231.72/12,348.86 = 2,683.78/x
3. Step 3: Cross multiply
   8,231.72x = 12,348.86 × 2,683.78
4. Step 4: Simplify right side
   8,231.72x = 33,141,561.75
5. Step 5: Solve for x
   x = 33,141,561.75/8,231.72
6. Step 6: Final answer
   x = 4,026.08