Finding the Fourth Proportional to 9,556.20, 13,187.52 and 5,364.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,556.20 : 13,187.52 = 5,364.42 : x
2. Step 2: Convert to fraction form
   9,556.20/13,187.52 = 5,364.42/x
3. Step 3: Cross multiply
   9,556.20x = 13,187.52 × 5,364.42
4. Step 4: Simplify right side
   9,556.20x = 70,743,396.04
5. Step 5: Solve for x
   x = 70,743,396.04/9,556.20
6. Step 6: Final answer
   x = 7,402.88