Finding the Fourth Proportional to 9,561.39, 13,195.95 and 5,369.64

Step by Step Solution

1. Step 1: Write the proportion equation
   9,561.39 : 13,195.95 = 5,369.64 : x
2. Step 2: Convert to fraction form
   9,561.39/13,195.95 = 5,369.64/x
3. Step 3: Cross multiply
   9,561.39x = 13,195.95 × 5,369.64
4. Step 4: Simplify right side
   9,561.39x = 70,857,500.96
5. Step 5: Solve for x
   x = 70,857,500.96/9,561.39
6. Step 6: Final answer
   x = 7,410.79