Finding the Fourth Proportional to 9,540.20, 13,164.66 and 5,561.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,540.20 : 13,164.66 = 5,561.69 : x
2. Step 2: Convert to fraction form
   9,540.20/13,164.66 = 5,561.69/x
3. Step 3: Cross multiply
   9,540.20x = 13,164.66 × 5,561.69
4. Step 4: Simplify right side
   9,540.20x = 73,217,692.05
5. Step 5: Solve for x
   x = 73,217,692.05/9,540.20
6. Step 6: Final answer
   x = 7,674.65