Finding the Fourth Proportional to 9,561.34, 13,194.57 and 5,369.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,561.34 : 13,194.57 = 5,369.50 : x
2. Step 2: Convert to fraction form
   9,561.34/13,194.57 = 5,369.50/x
3. Step 3: Cross multiply
   9,561.34x = 13,194.57 × 5,369.50
4. Step 4: Simplify right side
   9,561.34x = 70,848,243.62
5. Step 5: Solve for x
   x = 70,848,243.62/9,561.34
6. Step 6: Final answer
   x = 7,409.87