Finding the Fourth Proportional to 9,561.38, 13,195.41 and 5,581.64

Step by Step Solution

1. Step 1: Write the proportion equation
   9,561.38 : 13,195.41 = 5,581.64 : x
2. Step 2: Convert to fraction form
   9,561.38/13,195.41 = 5,581.64/x
3. Step 3: Cross multiply
   9,561.38x = 13,195.41 × 5,581.64
4. Step 4: Simplify right side
   9,561.38x = 73,652,028.27
5. Step 5: Solve for x
   x = 73,652,028.27/9,561.38
6. Step 6: Final answer
   x = 7,703.08