Finding the Fourth Proportional to 7,697.90, 10,667.72 and 7,550.24

Step by Step Solution

1. Step 1: Write the proportion equation
   7,697.90 : 10,667.72 = 7,550.24 : x
2. Step 2: Convert to fraction form
   7,697.90/10,667.72 = 7,550.24/x
3. Step 3: Cross multiply
   7,697.90x = 10,667.72 × 7,550.24
4. Step 4: Simplify right side
   7,697.90x = 80,543,846.25
5. Step 5: Solve for x
   x = 80,543,846.25/7,697.90
6. Step 6: Final answer
   x = 10,463.09