Finding the Fourth Proportional to 9,558.14, 13,191.53 and 5,367.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,558.14 : 13,191.53 = 5,367.20 : x
2. Step 2: Convert to fraction form
   9,558.14/13,191.53 = 5,367.20/x
3. Step 3: Cross multiply
   9,558.14x = 13,191.53 × 5,367.20
4. Step 4: Simplify right side
   9,558.14x = 70,801,487.02
5. Step 5: Solve for x
   x = 70,801,487.02/9,558.14
6. Step 6: Final answer
   x = 7,407.46