Finding the Fourth Proportional to 7,109.69, 10,667.60 and 2,950.64

Step by Step Solution

1. Step 1: Write the proportion equation
   7,109.69 : 10,667.60 = 2,950.64 : x
2. Step 2: Convert to fraction form
   7,109.69/10,667.60 = 2,950.64/x
3. Step 3: Cross multiply
   7,109.69x = 10,667.60 × 2,950.64
4. Step 4: Simplify right side
   7,109.69x = 31,476,290.25
5. Step 5: Solve for x
   x = 31,476,290.25/7,109.69
6. Step 6: Final answer
   x = 4,427.24