Finding the Fourth Proportional to 8,205.30, 12,300.60 and 3,009.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,205.30 : 12,300.60 = 3,009.96 : x
2. Step 2: Convert to fraction form
   8,205.30/12,300.60 = 3,009.96/x
3. Step 3: Cross multiply
   8,205.30x = 12,300.60 × 3,009.96
4. Step 4: Simplify right side
   8,205.30x = 37,024,313.98
5. Step 5: Solve for x
   x = 37,024,313.98/8,205.30
6. Step 6: Final answer
   x = 4,512.24