Finding the Fourth Proportional to 4,185.50, 5,772.78 and 3,066.03

Step by Step Solution

1. Step 1: Write the proportion equation
   4,185.50 : 5,772.78 = 3,066.03 : x
2. Step 2: Convert to fraction form
   4,185.50/5,772.78 = 3,066.03/x
3. Step 3: Cross multiply
   4,185.50x = 5,772.78 × 3,066.03
4. Step 4: Simplify right side
   4,185.50x = 17,699,516.66
5. Step 5: Solve for x
   x = 17,699,516.66/4,185.50
6. Step 6: Final answer
   x = 4,228.78