Finding the Fourth Proportional to 8,356.61, 12,541.31 and 3,096.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,356.61 : 12,541.31 = 3,096.61 : x
2. Step 2: Convert to fraction form
   8,356.61/12,541.31 = 3,096.61/x
3. Step 3: Cross multiply
   8,356.61x = 12,541.31 × 3,096.61
4. Step 4: Simplify right side
   8,356.61x = 38,835,545.96
5. Step 5: Solve for x
   x = 38,835,545.96/8,356.61
6. Step 6: Final answer
   x = 4,647.28