Finding the Fourth Proportional to 8,085.38, 12,124.24 and 2,818.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,085.38 : 12,124.24 = 2,818.56 : x
2. Step 2: Convert to fraction form
   8,085.38/12,124.24 = 2,818.56/x
3. Step 3: Cross multiply
   8,085.38x = 12,124.24 × 2,818.56
4. Step 4: Simplify right side
   8,085.38x = 34,172,897.89
5. Step 5: Solve for x
   x = 34,172,897.89/8,085.38
6. Step 6: Final answer
   x = 4,226.50