Finding the Fourth Proportional to 12,300.10, 18,450.06 and 3,066.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,300.10 : 18,450.06 = 3,066.10 : x
2. Step 2: Convert to fraction form
   12,300.10/18,450.06 = 3,066.10/x
3. Step 3: Cross multiply
   12,300.10x = 18,450.06 × 3,066.10
4. Step 4: Simplify right side
   12,300.10x = 56,569,728.97
5. Step 5: Solve for x
   x = 56,569,728.97/12,300.10
6. Step 6: Final answer
   x = 4,599.13