Finding the Fourth Proportional to 9,558.12, 13,190.22 and 5,367.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,558.12 : 13,190.22 = 5,367.72 : x
2. Step 2: Convert to fraction form
   9,558.12/13,190.22 = 5,367.72/x
3. Step 3: Cross multiply
   9,558.12x = 13,190.22 × 5,367.72
4. Step 4: Simplify right side
   9,558.12x = 70,801,407.70
5. Step 5: Solve for x
   x = 70,801,407.70/9,558.12
6. Step 6: Final answer
   x = 7,407.46