Finding the Fourth Proportional to 9,613.57, 13,267.04 and 5,580.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,613.57 : 13,267.04 = 5,580.09 : x
2. Step 2: Convert to fraction form
   9,613.57/13,267.04 = 5,580.09/x
3. Step 3: Cross multiply
   9,613.57x = 13,267.04 × 5,580.09
4. Step 4: Simplify right side
   9,613.57x = 74,031,249.33
5. Step 5: Solve for x
   x = 74,031,249.33/9,613.57
6. Step 6: Final answer
   x = 7,700.71