Finding the Fourth Proportional to 8,285.48, 12,429.13 and 3,022.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,285.48 : 12,429.13 = 3,022.10 : x
2. Step 2: Convert to fraction form
   8,285.48/12,429.13 = 3,022.10/x
3. Step 3: Cross multiply
   8,285.48x = 12,429.13 × 3,022.10
4. Step 4: Simplify right side
   8,285.48x = 37,562,073.77
5. Step 5: Solve for x
   x = 37,562,073.77/8,285.48
6. Step 6: Final answer
   x = 4,533.48