Finding the Fourth Proportional to 9,556.56, 13,187.16 and 5,364.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,556.56 : 13,187.16 = 5,364.72 : x
2. Step 2: Convert to fraction form
   9,556.56/13,187.16 = 5,364.72/x
3. Step 3: Cross multiply
   9,556.56x = 13,187.16 × 5,364.72
4. Step 4: Simplify right side
   9,556.56x = 70,745,421.00
5. Step 5: Solve for x
   x = 70,745,421.00/9,556.56
6. Step 6: Final answer
   x = 7,402.81