Finding the Fourth Proportional to 12,300.46, 18,450.96 and 4,509.28

Step by Step Solution

1. Step 1: Write the proportion equation
   12,300.46 : 18,450.96 = 4,509.28 : x
2. Step 2: Convert to fraction form
   12,300.46/18,450.96 = 4,509.28/x
3. Step 3: Cross multiply
   12,300.46x = 18,450.96 × 4,509.28
4. Step 4: Simplify right side
   12,300.46x = 83,200,544.91
5. Step 5: Solve for x
   x = 83,200,544.91/12,300.46
6. Step 6: Final answer
   x = 6,764.02