Finding the Fourth Proportional to 3,066.05, 4,222.73 and 3,056.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,066.05 : 4,222.73 = 3,056.94 : x
2. Step 2: Convert to fraction form
   3,066.05/4,222.73 = 3,056.94/x
3. Step 3: Cross multiply
   3,066.05x = 4,222.73 × 3,056.94
4. Step 4: Simplify right side
   3,066.05x = 12,908,639.89
5. Step 5: Solve for x
   x = 12,908,639.89/3,066.05
6. Step 6: Final answer
   x = 4,210.18