Finding the Fourth Proportional to 8,085.18, 12,124.44 and 3,089.39

Step by Step Solution

1. Step 1: Write the proportion equation
   8,085.18 : 12,124.44 = 3,089.39 : x
2. Step 2: Convert to fraction form
   8,085.18/12,124.44 = 3,089.39/x
3. Step 3: Cross multiply
   8,085.18x = 12,124.44 × 3,089.39
4. Step 4: Simplify right side
   8,085.18x = 37,457,162.03
5. Step 5: Solve for x
   x = 37,457,162.03/8,085.18
6. Step 6: Final answer
   x = 4,632.82