Finding the Fourth Proportional to 7,667.73, 10,581.57 and 4,642.38

Step by Step Solution

1. Step 1: Write the proportion equation
   7,667.73 : 10,581.57 = 4,642.38 : x
2. Step 2: Convert to fraction form
   7,667.73/10,581.57 = 4,642.38/x
3. Step 3: Cross multiply
   7,667.73x = 10,581.57 × 4,642.38
4. Step 4: Simplify right side
   7,667.73x = 49,123,668.94
5. Step 5: Solve for x
   x = 49,123,668.94/7,667.73
6. Step 6: Final answer
   x = 6,406.55