Finding the Fourth Proportional to 3,065.05, 4,229.81 and 1,667.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,065.05 : 4,229.81 = 1,667.80 : x
2. Step 2: Convert to fraction form
   3,065.05/4,229.81 = 1,667.80/x
3. Step 3: Cross multiply
   3,065.05x = 4,229.81 × 1,667.80
4. Step 4: Simplify right side
   3,065.05x = 7,054,477.12
5. Step 5: Solve for x
   x = 7,054,477.12/3,065.05
6. Step 6: Final answer
   x = 2,301.59