Finding the Fourth Proportional to 9,555.42, 13,186.53 and 5,363.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,555.42 : 13,186.53 = 5,363.67 : x
2. Step 2: Convert to fraction form
   9,555.42/13,186.53 = 5,363.67/x
3. Step 3: Cross multiply
   9,555.42x = 13,186.53 × 5,363.67
4. Step 4: Simplify right side
   9,555.42x = 70,728,195.37
5. Step 5: Solve for x
   x = 70,728,195.37/9,555.42
6. Step 6: Final answer
   x = 7,401.89