Finding the Fourth Proportional to 9,559.68, 13,192.56 and 5,369.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,559.68 : 13,192.56 = 5,369.28 : x
2. Step 2: Convert to fraction form
   9,559.68/13,192.56 = 5,369.28/x
3. Step 3: Cross multiply
   9,559.68x = 13,192.56 × 5,369.28
4. Step 4: Simplify right side
   9,559.68x = 70,834,548.56
5. Step 5: Solve for x
   x = 70,834,548.56/9,559.68
6. Step 6: Final answer
   x = 7,409.72