Finding the Fourth Proportional to 7,667.91, 10,586.96 and 5,872.22

Step by Step Solution

1. Step 1: Write the proportion equation
   7,667.91 : 10,586.96 = 5,872.22 : x
2. Step 2: Convert to fraction form
   7,667.91/10,586.96 = 5,872.22/x
3. Step 3: Cross multiply
   7,667.91x = 10,586.96 × 5,872.22
4. Step 4: Simplify right side
   7,667.91x = 62,169,019.68
5. Step 5: Solve for x
   x = 62,169,019.68/7,667.91
6. Step 6: Final answer
   x = 8,107.69