Finding the Fourth Proportional to 3,066.56, 4,231.72 and 1,740.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,066.56 : 4,231.72 = 1,740.23 : x
2. Step 2: Convert to fraction form
   3,066.56/4,231.72 = 1,740.23/x
3. Step 3: Cross multiply
   3,066.56x = 4,231.72 × 1,740.23
4. Step 4: Simplify right side
   3,066.56x = 7,364,172.32
5. Step 5: Solve for x
   x = 7,364,172.32/3,066.56
6. Step 6: Final answer
   x = 2,401.45