Finding the Fourth Proportional to 8,285.73, 12,428.69 and 2,442.45

Step by Step Solution

1. Step 1: Write the proportion equation
   8,285.73 : 12,428.69 = 2,442.45 : x
2. Step 2: Convert to fraction form
   8,285.73/12,428.69 = 2,442.45/x
3. Step 3: Cross multiply
   8,285.73x = 12,428.69 × 2,442.45
4. Step 4: Simplify right side
   8,285.73x = 30,356,441.68
5. Step 5: Solve for x
   x = 30,356,441.68/8,285.73
6. Step 6: Final answer
   x = 3,663.70