Finding the Fourth Proportional to 7,667.10, 10,577.28 and 4,480.20

Step by Step Solution

1. Step 1: Write the proportion equation
   7,667.10 : 10,577.28 = 4,480.20 : x
2. Step 2: Convert to fraction form
   7,667.10/10,577.28 = 4,480.20/x
3. Step 3: Cross multiply
   7,667.10x = 10,577.28 × 4,480.20
4. Step 4: Simplify right side
   7,667.10x = 47,388,329.86
5. Step 5: Solve for x
   x = 47,388,329.86/7,667.10
6. Step 6: Final answer
   x = 6,180.74