Finding the Fourth Proportional to 8,085.18, 12,124.74 and 2,818.83

Step by Step Solution

1. Step 1: Write the proportion equation
   8,085.18 : 12,124.74 = 2,818.83 : x
2. Step 2: Convert to fraction form
   8,085.18/12,124.74 = 2,818.83/x
3. Step 3: Cross multiply
   8,085.18x = 12,124.74 × 2,818.83
4. Step 4: Simplify right side
   8,085.18x = 34,177,580.85
5. Step 5: Solve for x
   x = 34,177,580.85/8,085.18
6. Step 6: Final answer
   x = 4,227.19