Finding the Fourth Proportional to 4,120.05, 5,667.73 and 3,613.62

Step by Step Solution

1. Step 1: Write the proportion equation
   4,120.05 : 5,667.73 = 3,613.62 : x
2. Step 2: Convert to fraction form
   4,120.05/5,667.73 = 3,613.62/x
3. Step 3: Cross multiply
   4,120.05x = 5,667.73 × 3,613.62
4. Step 4: Simplify right side
   4,120.05x = 20,481,022.48
5. Step 5: Solve for x
   x = 20,481,022.48/4,120.05
6. Step 6: Final answer
   x = 4,971.06